British patents listed by patent number
The following is a list of patents referred to in the main text.
| 114 | 1901 | Device to set the front standard at any angle. Covers the front standard bolts. Sanderson, F.H. Sanderson Regular, Sanderson de Luxe, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical de Luxe, Sanderson Tropical de Luxe, Roll-Film Sanderson |
| 319 | 1884 | Turntable in base of camera to dispense with the tripod top. McKellen, S.D. |
| 359 | 1890 | Describes the Folding Kodak. Brownell, F.A.; Kodak Ltd. |
| 511 | 1890 | Rubber grip to fit the shutter to various size lenses. Thornton, John Edward; Pickard, Edgar |
| 613 | 1895 | Sanderson front standard support struts. Sanderson, F.H. Sanderson, Sanderson A pattern, Sanderson Popular, Sanderson Junior, Tropical Sanderson, Sanderson, Sanderson Regular, Sanderson de Luxe, Junior Sanderson, Tropical Sanderson, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical de Luxe, Sanderson Tropical de Luxe, Roll-Film Sanderson |
| 674 | 1855 | Describes a combined camera and dark tent arrangement. The lens of the camera moves in a curved slot. Bourne, John Cooke |
| 789 | 1896 | Method of connecting front standard to the camera baseboard for stereo use. Holmes, L.; Holmes, L.E.; Holmes, H. |
| 939 | 1889 | Changing mechanism for a detective camera. Smith, A. |
| 941 | 1892 | Describes a folding strut camera. Jeffrey, A.; Wishart, G. |
| 992 | 1904 | Zambex envelopes and skeletons. Beck, C. |
| 1139 | 1901 | Relates to an enlarging camera adapted to correct distortion in negatives owing to their being out of the true plane when originally photographed. Carpentier, J. |
| 1145 | 1902 | Describes a slide-rule actinometer using a tape or ribbon. Smith, J.H. |
| 1196 | 1904 | Relates to a method and apparatus for reducing or enlarging the dimensions of a photograph by inclining the original and reproduction. Scheimpflug, T. |
| 1327 | 1908 | Film developing tank. Films arranged in arcs around a common centre to fit a round tank. Carkhuff, N.W.; Kodak Ltd. |
| 1365 | 1889 | Darkroom lamp. Lancaster, W.J. |
| 1468 | 1907 | Focal plane shutter. Goerz, C.P. |
| 1510 | 1888 | Book camera. Krügener, R. |
| 1650 | 1883 | Flap/drop shutter. The flap is spring powered, the drop-plate is rubber-band powered. Reynolds, R.; Branson, F.W. |
| 1675 | 1886 | Method of fixing the front standard to the baseboard using vertical rods inside the forks. Rayment, A. |
| 1699 | 1875 | Describes the Hare transfer box. Hare, G. |
| 1740 | 1905 | Diaphragm shutter. Used on friction brake Koilos. Kenngott, Wilhelm |
| 1924 | 1895 | Roller-blind shutter. Use of a safety blind to cover the lens when setting the shutter. Improvement of BP 17516/1891. Thornton, John Edward; Pickard, Edgar |
| 2193 | 1859 | 'An improved panoramic lens for taking photographic pictures'. Sutton, Thomas |
| 2279 | 1891 | Describes a falling plate detective camera. Miller, T. |
| 2442 | 1902 | Method of inserting and retaining film spools. Holmes, H.; Houghton, G. |
| 2485 | 1907 | Focal plane shutter. Adams, A.L. |
| 2496 | 1885 | Method of clamping the front standard to the baseboard and clamping the rising front. Used on the 'Combination' camera from Shew and others. Brown, J.E. Shew's Aluminium Combination, Brown's Patent Combination Camera |
| 2544 | 1895 | Describes the Kombi. Kemper, A.C. |
| 2566 | 1893 | Improvements in changing boxes, and arrangement for a detachable box. Clarke, J.T. |
| 2767 | 1884 | Flap/drop shutter. Flap speed controlled by weighted arm, the drop-plate is rubber-band powered. Branson, F.W. |
| 2783 | 1881 | Shutter. Sands, C. |
| 2811 | 1886 | Cameras, especially fixing the front standard to the baseboard using studs. Stanley, W.F. |
| 3035 | 1882 | Describes the '1882' pattern folding plate camera. Hare, G. |
| 3055 | 1896 | Falling plate camera and shutter. Jackson, A.C. |
| 3069 | 1871 | Describes a folding bellows camera where the baseboard is in three parts, outer two parts fold up to cover the rear and front standards. Stillman, William James |
| 3118 | 1898 | Dark-slides. The top of the draw-slide has corrugations into which strips of velvet, attached to the dark-slide, can fit. Thornton, John Edward; Thornton Pickard Manufacturing Co. |
| 3175 | 1864 | Covers the Dubroni. Bourdin, Gabriel Jules |
| 3240 | 1898 | Aluminium case for roller-blind shutter. Thornton, John Edward |
| 3630 | 1908 | Describes the Vesta. Adams, A.L. |
| 3633 | 1910 | Wratten Safelight. Wratten, Sidney Herbert |
| 3634 | 1895 | Method of connecting the front standard to the baseboard. Spratt, H.J.; Spratt, A.S.; Spratt, G.A. |
| 3648 | 1904 | Printing Frames. Includes a spring to raise the paper from the negative. Spratt, H.J.; Spratt, A.S.; Spratt, G.A. |
| 3799 | 1904 | Roll-film developing tank. Brownell, F.A.; Kodak Ltd. |
| 3873 | 1901 | Describes a slide-rule actinometer. Acworth, J.J. |
| 3879 | 1886 | Use of an iris diaphragm. Lancaster, W.J. |
| 4024 | 1907 | Diaphragm shutter. Used on Koilos with pneumatic delay. Kenngott, Wilhelm |
| 4081 | 1893 | Changing the slit width of a focal-plane shutter by the use of chains. Thornton, John Edward; Pickard, Edgar |
| 4102 | 1885 | Describes the Shew Eclipse. Lowdon, G. |
| 4131 | 1889 | Changing mechanism and shutter for a detective camera. Miall, F. |
| 4145 | 1888 | Changing mechanism. Rouch, A.S. |
| 4320 | 1881 | Describes a twin lens camera, shutter and changing mechanism. Brookes, W. |
| 4528 | 1885 | Field camera with an attached focusing hood and magnifier. Stanley, W.F. |
| 4624 | 1886 | Describes an actinometer using paper prepared with bromine salt, the paper is held in a circular case. Stanley, W.F.; Sarjeant, W.L. |
| 4831 | 1904 | Strut and front standard arrangement for a hand camera. Used on the Lizars De-Luxe cameras. Ballantine, R.; Ballantine, M. |
| 4874 | 1905 | Describes a 3 colour falling late camera. Soc. du Photochrome |
| 4992 | 1906 | Envelope adapter. Wishart, G. |
| 5120 | 1900 | Changing arrangement for folding hand cameras. Used on the Folding Frena range. Beck, C.; Beck, W. |
| 5212 | 1906 | Envelope adapter. MacKenzie, F.; Wishart, G. |
| 5363 | 1885 | Rotary shutter. Lancaster, W.J. |
| 5438 | 1901 | Describes a while-you-wait ferrotype camera. Hickox, H.E.; Phillips, F.A. |
| 5454 | 1896 | Describes a shutter and general form of a box camera for plates. Used on the B.P. Criterion. Brooks, J.B. |
| 5523 | 1912 | Describes a folding reflex camera. Used on the Folding Minex. Adams, A.L. |
| 5564 | 1900 | Folding darkroom lamp. Jackson, A.C. |
| 5598 | 1881 | Camera with provision for holding and changing plates internally by passing a hand through a light-tight sleeve. Lawley, W.; Starnes, H.S. |
| 5742 | 1892 | Roller-blind shutter, rack and pinion setting arm and pneumatic regulation. Newman, A.S.; Guardia, J. |
| 5828 | 1893 | Method of clamping and collapsing front standard, tilting back arrangement. Used on the Imperial Instantograph. Dark-slide with hinged top to load plates. Lancaster, W.J. |
| 5938 | 1885 | Tailboard camera, especially the fitting of the front and rear standards. Used in the 'Long and Short focus' camera. Rouch, A.S. |
| 5965 | 1885 | Field camera with a turntable or cut-out for the lens in the baseboard. Underwood, E.; Underwood, T.A. |
| 6013 | 1892 | Developing and washing apparatus. Brin, A. |
| 6028 | 1890 | Lens. Rudolph, P. |
| 6121 | 1913 | Focal plane shutter. Prout, G.F.; Houghtons Ltd. |
| 6238 | 1912 | Focal plane shutter. Thornton Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, F. Special Ruby Reflex, Duplex Ruby Reflex, Junior Special Ruby, Dallmeyer De Luxe Reflex |
| 6489 | 1896 | Changing mechanism. Used in the Frena. Beck, C.; Beck, W.; Clarke, J.T. |
| 6613 | 1887 | Changing mechanism, shutter for a detective camera. Used on the Eureka. Rouch, S.W. |
| 6631 | 1892 | Describes a camera and enlarging apparatus for a rigid hand camera. Carpentier, J. |
| 6644 | 1915 | Front standard of a folding hand camera. Used on the Vaido. Adams, A.L. |
| 6814 | 1888 | Twin lens camera with bayonet lens mount. Clark, S.M. |
| 6898 | 1884 | Folding darkroom lamp. Redding, H.J. |
| 6950 | 1888 | Roll-film detective camera. Eastman, G. |
| 7156 | 1886 | Pneumatic shutter. Used on the early Newman shutter (fitting in the diaphragm slot for e.g. field cameras). Newman, A.S. |
| 7359 | 1886 | Dark-slides. Small plates are on the draw slide to prevent the removal of the draw slide. Watson, T.P. |
| 7746 | 1884 | Shutter. Furnell, T. |
| 7751 | 1899 | Envelope adapter. MacKenzie, F.; Wishart, G. |
| 7880 | 1897 | Shutter with two pivoted blades. Eastman Photographic Materials Co. |
| 7981 | 1935 | Application number for the Purma camera GB445907. Mayo, Alfred Croger |
| 8122 | 1893 | Changing box where the exposed plate is raised into the bag by the draw-slide. Reid, J.G. |
| 8329 | 1886 | Changing box where the exposed plate is raised by a crank lever in the bottom of the box. Newman, A.S. |
| 8353 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 8358 | 1901 | Two-blade return shutter, rectilinear movement. Bausch & Lomb Optical Co. |
| 8360 | 1901 | Two-blade pivoted return shutter. Bausch & Lomb Optical Co. |
| 8515 | 1894 | Exposure determining. Relates to a slide-rule for calculating the time of exposure and diaphragm required. Phillips, W.H. |
| 8721 | 1912 | Describes a folding hand camera. Used in the Sibyl range of cameras. Newman & Guardia; Walters, E.C.; Mason, Percy George |
| 8722 | 1912 | Sector shutter. Used on the Sibyl camera. Newman & Guardia; Walters, E.C.; Mason, Percy George |
| 9119 | 1894 | Brilliant view-finder. Hill, H.; Adams, A.L. |
| 9286 | 1885 | Roll-holder Removable spool, measuring roller, auto-stop, pins to mark paper. Morgan, W.T.; Kidd, R.L. |
| 9342 | 1912 | Describes a while-you-wait ferrotype camera. Moore, Harry Charles |
| 9599 | 1902 | Focal plane shutter and mirror for a single lens reflex. Newman & Guardia; Newman, A.S. |
| 9655 | 1886 | Waistcoat camera. Stirn, C.P. |
| 9819 | 1892 | Changing mechanism for a detective camera. Used in the Frena. Beck, C.; Clarke, J.T. |
| 9820 | 1892 | Shutter. Used in the Frena. Beck, C.; Clarke, J.T. |
| 9869 | 1889 | Shutter. Eastman, G. |
| 9948 | 1887 | Catches for dark-slides to lock the draw slide in place. Watson, T.P. |
| 10012 | 1890 | Celluloid vignettes. Sershall, G.J. |
| 10064 | 1893 | Shutter and changing mechanism for a stereo camera. Richard, J. |
| 10097 | 1904 | Envelope adapter. Wishart, G. |
| 10103 | 1887 | Method of clamping the front standard to the baseboard. Collins, T.J. |
| 10278 | 1891 | Falling plate camera. Richard, E.; Lacroix, J.B.J. |
| 10504 | 1912 | Describes a folding hand camera. Brooks, A.A. |
| 10798 | 1891 | Roller-blind shutter. BP 5014/1885 is related. Kershaw, J. |
| 10823 | 1888 | Describes a small rigid hand camera and changing method. Used in the Demon. O`Reilly, W. |
| 11302 | 1895 | Describes a rigid bodied camera, shutter and changing mechanism. Zion, J. |
| 11303 | 1893 | Folding tripod. The sections are automatically secured into place by a spring catch as the tripod is unfolded. Spratt, H.J.; Spratt, A.S.; Spratt, G.A. |
| 11394 | 1891 | Improvements to strut cameras. Shew, F. |
| 11476 | 1890 | Two-blade pivoted return shutter. Mattioli, G. |
| 11578 | 1888 | Actinometers. Relates to improvements to BP13332/1887. A lens is used as an eye-piece and a fixed plate is used in place of the perforated plate. Decoudun, J. |
| 11585 | 1905 | Folding roll-film camera. Brownell, F.A.; Kodak Ltd. |
| 11670 | 1905 | View-finder connected to the rising front. Adams, A.L. |
| 11687 | 1908 | Leaf shutter Kodak Ltd. |
| 11816 | 1908 | Daylight changing system. Brooks, A.A. |
| 11891 | 1890 | Changing mechanism. Clarke, J.T. |
| 12029 | 1892 | Pneumatic delay cylinder. Adams, A.L.; Hill, H. |
| 12105 | 1909 | Roller-blind shutter. Self-capping with two blinds connected by tapes. Chessher, H.G. |
| 12180 | 1899 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 12238 | 1886 | Roller-blind shutter. Thornton, John Edward |
| 12442 | 1890 | Diaphragm shutter opening to a varying extent. Bausch & Lomb Optical Co. |
| 12669 | 1890 | Falling plate camera mechanism. Miller, T. |
| 12976 | 1894 | Roller-blind shutter. Two blinds moving in opposite directions. Used on the Studio model. Pickard, Edgar |
| 13019 | 1896 | Changing box with a flexible bag where an incline at the front of the box lifts the plates enabling the front plate to be gripped when changing plates. Adams, A.L.; Jeyes, J.W. |
| 13055 | 1890 | Shutter. Used on the Presto camera. Franks, L.A. |
| 13332 | 1887 | Describes a means of estimating the light by introducing varyingly translucent plates in front of the image on the ground glass screen. Decoudun, J. |
| 13449 | 1891 | Method of attaching the front standard to the baseboard. Gandolfi, S. |
| 13820 | 1912 | Leaf shutter. Newman, A.S.; Newman & Sinclair |
| 13830 | 1900 | Panoramic camera. Kodak Ltd.; Brownell, F.A. |
| 13857 | 1892 | Changing box, use of a pressure plate. Newman, A.S.; Guardia, J. |
| 13956 | 1885 | Rotating back. Billcliff, J. |
| 14022 | 1903 | Film pack device. Beck, C.; Bynoe, F.O. |
| 14364 | 1893 | Relates to a simplified form of patent BP 1388/1890. Describes the Watkins Junior. Watkins, Alfred |
| 14489 | 1908 | Fitting of roll-film spools Nièll, Magnus |
| 14865 | 1897 | Print meter. Wynne, G.F. |
| 15292 | 1892 | Changing box. The plates are held in a hinged frame that tilts backwards to grip the front plate. Adams, A.L.; Jeyes, J.W. |
| 15495 | 1890 | Describes a detective camera. Used in the Rover. Lancaster, W.J. |
| 15548 | 1908 | Focal plane shutter. Used on the Unit shutter. BJA 1909, p. 1193. (Advert.). Whitehead, F.P.; Giles, W.F. Tropical Folding Ruby, Ensign Focal Plane Camera, Duplex Ruby Reflex, Salex Tropical Reflex, Ensign Folding Reflex |
| 15568 | 1934 | Relates to the Ensign Midget. Application number for GB436750. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 15640 | 1900 | Folding hand camera especially a self-erecting front. Thornton Pickard Manufacturing Co.; Pickard, George Arthur; Woodhead, C.G. |
| 15657 | 1891 | Describes a strut camera where the lens board is pivoted between the struts and able to tilt. Rise is also possible. Incorporated in a Shew Eclipse model. Shew, F.; Henry, L.C.V. |
| 15958 | 1905 | Envelope adapter. Wishart, G. |
| 16353 | 1906 | Focal-plane shutter especially the de-coupling of the blind rollers to adjust the slit. Hora, T.T. |
| 16593 | 1905 | Focal plane shutter. Goerz, C.P.; Brauburger, E. |
| 16857 | 1905 | Folding hand camera especially the view-finder. Used on the Sibyl camera. Newman & Guardia; Newman, A.S. |
| 16861 | 1899 | Print trimmer. Smith, C.A. |
| 17143 | 1891 | Brin camera. Brin, A. |
| 17328 | 1888 | Luzo roll-film camera. Redding, H.J. |
| 17408 | 1904 | Mostly covers the Tudor range of cameras but also shows the method of clamping the front standard to the focusing rack used on the Sanderson. Houghtons Ltd.; Edwards, W.A.; Holmes, H. Sanderson de Luxe, Roll-film Sanderson, Tropical Sanderson, Sanderson Tropical de Luxe, Sanderson Tropical de Luxe |
| 17530 | 1913 | Swing or tilting front to a studio camera. Adams, A.L. |
| 17624 | 1908 | Strut camera. Used on the Folding Pocket Tenax. Goerz, C.P. |
| 17642 | 1892 | Exposure determining. Describes a circular slide-rule. Scott, J.A.; Britannia Works Co. |
| 17685 | 1893 | Shutter. Clarke, J.T. |
| 17844 | 1894 | Sector shutter. Goerz, C.P.; Nerrlich, E.A.R. |
| 18099 | 1888 | Method of connecting the front standard to the baseboard and locking rising front etc. Used on the Acme camera. Watson, T.P. |
| 18167 | 1889 | See-Saw shutter. Lancaster, W.J. |
| 18260 | 1906 | Four-way swing front. Adams, A.L. |
| 18534 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd. |
| 18535 | 1949 | Application number for the Wrayflex. Studdert, Maurice Eyre Persse; Wray Cameras Ltd. |
| 18595 | 1893 | Folding strut camera. Used on the original model Vesta. Hill, H.; Adams, A.L. |
| 18631 | 1901 | Dial to calculate the shutter speed from the slit width and tension setting. Tattersall, H.P.; Pickard, George Arthur |
| 19108 | 1907 | Describes a mechanism that releases the catches to a reversing back by use of a central button. Used on Sanderson cameras. Houghtons Ltd.; Edwards, W.A.; Holmes, H. |
| 19172 | 1900 | Device to hold shutter blades open for focusing, for example on a Unicum shutter. Walker, J.H.P. |
| 19198 | 1908 | Tripod with legs of U section. Sold as the Jaynay Quickset. Wilkinson, J.; Wilkinson, A. |
| 19274 | 1890 | Shutters, pneumatic regulation. Patent refused. Newman, A.S. |
| 19329 | 1894 | Shutters, lenses and lens fittings. Used on falling plate cameras. Jackson, A.C. |
| 19331 | 1900 | Describes a watch type actinometer sold as the Watkins Dial. Watkins, Alfred |
| 19363 | 1902 | Focal plane shutter and mirror in a single lens reflex. Newman, A.S.; Newman & Guardia |
| 19406 | 1912 | Reflex camera. Adams, A.L.; Foulkes Winks, B. |
| 19474 | 1897 | Folding camera. Stern, P.K. |
| 19480 | 1890 | Shutter. Used on the Adams Hand Camera. Adams, A.L.; Newman, A.S. |
| 19581 | 1892 | Shutter. Clarke, J.T. |
| 19770 | 1889 | Plate holders for use in changing boxes. Miall, F. |
| 19943 | 1906 | Printing frame were a pressure bar, operated by a screw, grips the paper to the negative. Proctor, T.R.; Houghtons Ltd. |
| 19962 | 1905 | Exposure determining. Relates to the meter described in BP 17642/1892 with the additional feature of including the weather conditions. Ilford Ltd.; Potter, R.S. |
| 20016 | 1910 | Shutters and reflex cameras. Newman, A.S.; Newman & Sinclair |
| 20187 | 1915 | The fluid in a developing tank is agitated by introducing air under slight pressure. Gimblett, J.A.L.; Rowden, George Vere |
| 20226 | 1900 | Method of fixing the front standard to the baseboard to provide lever focusing. Tattersall, H.P. |
| 20253 | 1892 | Exposed indicator for dark-slides. Thornton, John Edward; Pickard, Edgar Tailboard Camera for Mono or Stereo, Un-named Field Camera, Royal Ruby |
| 20299 | 1890 | Changing boxes especially the use of sheaths to hold the plates. Found on Newman and Guardia and Adams cameras. Newman, A.S.; Adams, A.L. N&G Standard, Adams Hand Camera, N&G Changing Box, Adams Changing Box |
| 20330 | 1904 | Means of compressing the bulb of a pneumatic release. Thornton Pickard Manufacturing Co.; Pickard, George Arthur |
| 20623 | 1914 | Film spools. Used in the Homéos. Richard, J. |
| 20649 | 1892 | Shutter, pneumatic regulation. Newman, A.S.; Guardia, J. |
| 20768 | 1894 | Folding camera. Jones, A.J.; Levi, S.J. |
| 20852 | 1890 | Shutters and lens fittings. Clarke, J.T. |
| 20860 | 1900 | Use of spring plate and studs to locate the front standard on the baseboard. Holmes, H.; Houghton, G. Sanderson Regular, Sanderson de Luxe, Junior Sanderson, Sanderson Tropical de Luxe, Roll-Film Sanderson |
| 20862 | 1900 | Tallbody feature to prevent bunching of the bellows from obscuring the image. Sanderson, F.H. Sanderson A pattern, Sanderson Popular, Tropical Sanderson, Sanderson de Luxe, Sanderson Tropical de Luxe, Sanderson Tropical de Luxe |
| 20951 | 1897 | Roll-film holder, the film being wound outside the backing paper. Eastman, G. |
| 21295 | 1904 | Describes the Ticka. Nièll, Magnus |
| 21505 | 1896 | Metal dark-slides with removable inner section, sold by B.J. Edwards. Brown, F.E.; Edwards, W. |
| 21510 | 1899 | Describes a folding camera. Used in the Pocket Cyko. Nièll, Magnus |
| 21588 | 1909 | Reflex cameras. Adams, A.L. |
| 21727 | 1893 | Describes the Photoret. Magic Introduction Co. |
| 21755 | 1896 | Describes a binocular camera. Bloch, E. |
| 21768 | 1902 | Print trimmer. Wilkinson, J.; Wilkinson, A. |
| 21830 | 1904 | Describes a panoramic camera. Multiscope and Film Co. |
| 21873 | 1899 | Changing mechanism and shutter for a rigid stereo camera. Used in the L.S.C. Royal. Smyth, H. |
| 22150 | 1902 | Drying rack for plates. Wilkinson, J.; Wilkinson, A. |
| 22207 | 1903 | Roller-blind shutter mechanism. Used on the Royal model. Thornton Pickard Manufacturing Co.; Woods, A. |
| 22557 | 1896 | Strut camera dark-slides and shutter. Used on the Tit-Bit. Tylar, W. |
| 22633 | 1900 | Printing frame using pins on the back that fit into slots on the side of the frame to prevent slippage. Wilkinson, J.; Wilkinson, A. |
| 22698 | 1904 | Reflex cameras, mirror movement and shutters. Kershaw, A. Stereo Tropical Reflex, Stereo Tropical Soho, Improved Artist Reflex, Soho Reflex, Dainty Soho Reflex |
| 22793 | 1901 | Print roller. Method of fixing the handle to the frame. See also 11224/1906. Wilkinson, J.; Wilkinson, A. |
| 23027 | 1913 | Stereoscopic camera for cine film. Used in the Homéos. Richard, J.; Colordeau, L.J.E. |
| 23387 | 1894 | Printing Frames. Spring catch arrangement to clamp the back in place. Spratt, H.J.; Spratt, A.S.; Spratt, G.A. |
| 23431 | 1901 | Changing box with a bag, tambour shutter and lever to raise the plate. Adams, A.L. |
| 23487 | 1892 | Describes a small roll-film camera, shutter etc. Used on the Kombi. Kemper, A.C. |
| 23500 | 1926 | Application number for GB281802. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 23670 | 1903 | Roller-blind shutter where the setting cord is pulled back into the case. Thornton Pickard Manufacturing Co.; Piercy, E.V. |
| 23894 | 1893 | For Factorial development. Includes the Factorial Calculator and an instrument for timing development, using the Factorial method, based on a multi-chambered sand glass. Watkins, Alfred |
| 24157 | 1895 | Describes the Presto. Casler, H. |
| 24269 | 1896 | Rotary shutter and general arrangement of the Pocket Kodak. Eastman Photographic Materials Co.; Brownell, F.A. |
| 24350 | 1901 | Describes a folding hand camera. Nièll, Magnus |
| 24567 | 1898 | Describes the shutter, changing mechanism and general form of a rigid bodied camera. Used in the Sigriste camera. Sigriste, J.G. |
| 24647 | 1893 | Describes a folding hand camera that folds into a small space. Used on the Shew Featherweight. Shew, F.; Batault, E. |
| 25037 | 1913 | Extending focusing rack for use with reflex cameras. Adams, A.L. |
| 25074 | 1908 | Daylight changing system. Brooks, A.A. |
| 25237 | 1905 | Shutter. Used on the Beck Celverex. Beck, C.; Beck, H.C. |
| 25285 | 1903 | Reflex cameras. Used on the Square Reflector. Newman, A.S.; Newman & Guardia |
| 25370 | 1908 | Determining when development is complete, used in the A-kla system. Brooks, A.A. |
| 25849 | 1908 | Reflex camera. Adams, A.L.; Roberts, W.G. |
| 26068 | 1902 | Describes the Block Notes. Gaumont, L. |
| 26158 | 1933 | Application number for the Purma camera. Mayo, Alfred Croger |
| 27102 | 1896 | Changing mechanisms, focusing etc. Used on falling plate cameras. Jackson, A.C. |
| 27461 | 1910 | Mechanism for tensioning and releasing Roller-blind shutter. Also applied to Focal plane shutters. Prout, G.F.; Holmes, H.; Houghtons Ltd. Triple Victo, Ensign Focal Plane Camera, Salex Tropical Reflex, Ensign Folding Reflex |
| 27592 | 1912 | Diaphragm shutter with gear train to regulate the exposure. Used on the Compur. Deckel, F. |
| 27646 | 1912 | Roll-film camera, especially the use of a glass plate against which the film is pressed and film-advance release mechanism. Used in the Homéos. Richard, J. |
| 27667 | 1909 | Reflex cameras with a mask to show position of revolving back. Adams, A.L.; Roberts, W.G. |
| 27772 | 1913 | Method of collapsing the front standard in a folding hand camera. Goerz, C.P. |
| 27986 | 1903 | Exposure meters. Describes Le Photometre Normal. Degen, E. |
| 28174 | 1906 | Focal plane shutter. Giles, W.F. |
| 28448 | 1908 | Folding reflex camera. Frennet, J. |
| 28464 | 1907 | Describes a roll-film strut camera. Used in the Ensignette. Nièll, Magnus |
| 29599 | 1897 | Describes a detective camera where the plates are changed by inserting the hand into the camera. Attwater, J.L. |
| 31441 | 1921 | Application number marked on APM reflex. |
| 32138 | 1949 | Application number for the Wrayflex. |
| 108458 | 1916 | Automatic diaphragm where the iris is kept open by a tensioned spring that, when released, closes the iris. Treitschke, F. |
| 117399 | 1917 | Describes a folding strut camera. Used in the Ensign Midget. Nièll, Magnus |
| 124636 | 1918 | Describes a folding hand camera. Newton & Wright; Litchfield, T. |
| 125615 | 1916 | Focal plane shutters. Thornton Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, F. |
| 128626 | 1917 | Describes the T-P Gun camera. Thornton Pickard Manufacturing Co.; Pickard, Arthur Gray; Slinger, F. |
| 131149 | 1918 | Camera for continuous operation or still exposures, produced as the Sept. Tartara, G.G.B. |
| 146054 | 1920 | Improvements to BP 131149 (Sept). Tartara, G.G.B |
| 158194 | 1919 | Reflex cameras and focal plane shutters. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 158601 | 1919 | Reflex cameras and lens fittings. Used in the Folding Reflex. Mason, Percy George; Newman & Guardia |
| 165575 | 1920 | Body for a roll-film camera using sheet aluminium. Used in the Ensignette. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph |
| 171024 | 1920 | Folding hand camera. Used on the Patent Etui camera. Guthe, P. |
| 183626 | 1921 | Hood for a rear focusing screen. Peacock, Thomas; Newman & Guardia |
| 190302 | 1921 | Reflex cameras and focal plane shutters. Bettles, Arthur Edward |
| 201561 | 1923 | Correx film apron. Correx Müvek Filmipari Gepgyar Czako Laszlo |
| 210531 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter |
| 210717 | 1922 | Reflex camera. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Dockree, Walter |
| 216831 | 1924 | Exposure meter for printing. A sheet having sections or areas of varying transparency for determining the correct printing exposure for a negative. Mayer, Emil |
| 235560 | 1924 | Camera, shutter etc. Leitz |
| 266494 | 1925 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 271145 | 1926 | Reflex camera. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Dockree, Walter; Denniss, Alfred Joseph |
| 271330 | 1926 | Shutter, two blade pivoted return type. Used on the Sibyl Vitesse and Excelsior cameras. Peacock, John Atkins; Newman & Guardia |
| 275462 | 1926 | Diaphragm shutter. Used on rim-set Compur. Deckel, F.; Geiger, M. |
| 280352 | 1926 | Pressure plate for roll-film cameras. Houghton-Butcher Manufacturing Co.; Edwards, Valentine William; Denniss, Alfred Joseph |
| 281802 | 1926 | Hinged spool retaining spindle. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 285494 | 1927 | Memo roll-film camera. Related patents: BP 285495/1927, BP 288316/1927, BP 288317/1927, BP 290603/1927, BP 290604/1927. Ansco Photoproducts Inc. |
| 285543 | 1926 | Self-developing camera. Moore, Harry Charles |
| 290023 | 1927 | Hinged back to a roll-film camera. Used on the Sibyl Excelsior camera. Peacock, John Atkins; Newman & Guardia |
| 295071 | 1927 | Folding strut camera. Used in the Snapshot. Dallmeyer Ltd; Carter, H.A. |
| 324831 | 1929 | Roll-film camera. Used in the Rajar 6. Amalgamated Photographic Manufacturers Ltd.; Kershaw, C. |
| 330438 | 1929 | Use of a stencil to cut bellows. Amalgamated Photographic Manufacturers Ltd.; Kershaw, N. |
| 338390 | 1929 | Hood on a reflex camera fitted with a pocket for the shutter of a dark-slide. Thornton Pickard Manufacturing Co.; Pickard, Arthur Gray; Reeves, John Horace |
| 345719 | 1930 | Improvements in catches or fasteners for the cases of cameras. Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 348662 | 1931 | Exposure meters, describes the arrangement of scales on an extinction meter. Refers to BP 214939/1924. Bing, Joseph Mina |
| 365925 | 1932 | Reflex camera Steiner, K. |
| 371252 | 1932 | Range-finder with moveable mirror or prism moved by the focusing movement of the camera lens. Leitz |
| 377537 | 1931 | Improvements in lenses. Lee, Horace William; Kapella Ltd. |
| 378270 | 1932 | Use of a condenser lens combined with the focusing screen. Stevens, Frank Herbert |
| 379344 | 1931 | Arrangement of mirrors in a 3 colour camera. Hillman, Albert George; Gill, Bertram Thomas; Gerrard Industries Ltd. |
| 379345 | 1931 | Method of focusing all three images in a three colour camera at the same time. Hillman, Albert George; Gill, Bertram Thomas |
| 379954 | 1932 | Range-finder coupling adjusted from the focusing mount of the camera lens through intermediate mechanism. Leitz |
| 383233 | 1932 | Interchangeable cam rings to connect lenses of different focal length to a range-finder. Leitz |
| 383911 | 1932 | Film re-wind knob that can be pulled clear of obstructions on the top plate. Leitz |
| 386887 | 1933 | Use of a right-angle prism behind a range-finder eye-piece so that viewing can be at right angles to the line of sight. Leitz |
| 386888 | 1933 | Angular view-finder, Wintu etc. Leitz |
| 409217 | 1933 | Twin lens reflex cameras especially inclining the viewing lens to compensate for parallax. Voigtländer & Sohn |
| 410306 | 1933 | Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 412880 | 1934 | Escapement mechanism for slow shutter speeds. Leitz |
| 414465 | 1933 | Roll-film cameras. Shutter mechanism. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 415770 | 1933 | Improvements relating to range finders or telemeters for photographic cameras Houghton-Butcher Manufacturing Co.; Denniss, Alfred Joseph; Edwards, Valentine William |
| 423035 | 1933 | Photographic cameras; exposure meters; developing-apparatus. July 18, 1933. Describes the general form of the Compass. Pemberton Billing, Noel |
| 428003 | 1933 | Stand heads. Nov. 3, 1933. Describes panoramic heads and tripod fittings. Pemberton Billing, Noel |
| 428455 | 1933 | Photographic shutters. Nov. 3, 1933. Describes the Compass shutter. Pemberton Billing, Noel |
| 428516 | 1935 | Contact printer and projector. Pemberton Billing, Noel |
| 430648 | 1933 | Improvements in or relating to cameras with focal plane shutters. Application no. GB19330026158, published in 1935. Mayo, Alfred Croger |
| 441980 | 1934 | Trigger release for photographic shutters. Voigtländer & Sohn |
| 444105 | 1936 | Exposure meters - extinction. Describes the Leudi. Leber, Alois |
| 445611 | 1934 | Photographic-film holders. Oct. 15, 1934. Describes a carrier for photographic films. Pemberton Billing, Noel |
| 445907 | 1934 | Photographic roll-film cameras. Application no. GB19350007981. Mayo, Alfred Croger |
| 459821 | 1935 | Photographic cameras; exposure meters. Zeiss Ikon A.G. |
| 461304 | 1935 | Improvements in lenses. Lee, Horace William; Kapella Ltd. |
| 463943 | 1935 | Photographic roll-film cameras. Sept. 4, 1935. Describes a roll-film back. Pemberton Billing, Noel |
| 465102 | 1935 | Photographic cameras. July 16, 1936. Describes a camera back similar to the Compass. Pemberton Billing, Noel |
| 467837 | 1935 | Photographic roll-film spools. Dec. 23, 1935. Pemberton Billing, Noel |
| 473123 | 1936 | Improvements in or relating to photographic cameras with focal-plane shutters. Application no. GB19360003684. Mayo, Alfred Croger; Purma Cameras Ltd. |
| 474509 | 1937 | Motor drive attachment. Leitz |
| 479453 | 1938 | Rapid film advance using a trigger and pulley. Leitz |
| 489557 | 1938 | Folding camera with four or more plates forming the body that hinge and collapse. Not present on the Compass. Pemberton Billing, Noel |
| 489960 | 1938 | Describes a shutter lock when the lens is retracted into the body of the camera. Application no. GB19370003606. Mayo, Alfred Croger; Purma Cameras Ltd.; Terrett, Joseph |
| 494544 | 1937 | Photographic roll-film cameras. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 495149 | 1937 | Photographic roll-film cameras. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 500626 | 1937 | Photographic cameras, shutters. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 500791 | 1938 | Photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 500866 | 1938 | Lens mounts for photographic cameras. Claimed under the convention date: 1937. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 504606 | 1938 | Motor drive attachment. Leitz |
| 506749 | 1937 | Photographic lens mounts. Claimed under the convention date: 1936. Describes the Minox. Valsts Elektrotechniska Fabrica |
| 507184 | 1937 | Improvements in or relating to objectives for photographic or like purposes. Warmisham, Arthur; Wynne, Charles George; Taylor Taylor & Hobson Ltd. |
| 507314 | 1939 | Reflex photographic cameras; lenses. Steenbergen, Johan; Diebel, Otto; Frauenstein, Hugo; Englisch, Emil; Schubert, Herman; Koch, Conrad |
| 521606 | 1938 | Photographic cameras, range-finders. Houghton-Butcher Manufacturing Co.; Parr, Bernard Arthur |
| 531996 | 1941 | Photoelectric exposure meters. Sangamo Weston Ltd. |
| 550631 | 1943 | Photoelectric exposure meters. In which a grating is placed in front of a photoelectric cell to limit the angle of view. Ross, T.W.; Metropolitan Vickers Electrical Ltd |
| 563875 | 1944 | Describes an auto-stop and film advance mechanism. Used on the Commando. Houghton-Butcher Manufacturing Co.; Hunter, Douglas Gordon |
| 587090 | 1945 | Improvements in or relating to bezel stops for lenses. Kapella Ltd.; Phillips, Arthur Claud; Coltman, Douglas Claud Wynn |
| 614330 | 1948 | Photoelectric exposure meter, describes the Chum. Gosling, Arthur Glendower |
| 625988 | 1949 | Photoelectric exposure meters. Macadie, Hugh Sutherland; Automatic Coil Winder & Electrical Equipment Co. Ltd. |
| 642319 | 1950 | Covers film winding movement and connection to the shutter. Application no. GB19470016000. Mayo, Alfred Croger |
| 691103 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018534. Studdert, Maurice Eyre Persse; Wray Cameras Ltd. |
| 691170 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19520016662. Studdert, Maurice Eyre Persse; Wray Cameras Ltd. |
| 698409 | 1950 | Reflex camera. Describes the Wrayflex. Application no. GB19490018535. Studdert, Maurice Eyre Persse; Wray Cameras Ltd. |
| 701368 | 1953 | Describes a pin used to prevent the shutter from being released on the Purma Plus. The pin is engaged when the lens cap is in place. Purma Cameras Ltd. |
| 722838 | 1953 | Photographic cameras with flashlight synchronizers. Application no. GB19520011460. Lindsay Leslie is given as inventor. Reid & Sigrist Ltd. |
| 744962 | 1956 | Photographic shutters combined with exposure calculators. Covers the linkage of speed and aperture settings as used in EV and LVS scales. Deckel, Hans; Deckel, Friedrich W. |
| 789021 | 1955 | Photographic cameras. Adox Kamerwerk G M B H |
| 820413 | 1959 | Describes the shutter release and film-advance mechanism of the Agimatic. Aeronautical & General Instruments |