Imperial Ordinary

Imperial Dry Plate Co. Ltd

Cricklewood

England

Ordinary.

Box of 6, 6 ½" x 4 ¾" plates. Speed: 90 H&D. Hand written date of 31/8/34. Blue label, distributed by Ilford. Retailer's address of Sheffield Photo Co. 6 Norfolk Row. Sheffield.
Box of 6, 6 ½" x 4 ¾" plates. Early red label.

References & Notes:

BJA 1909, p. 232. BJA 1917, p. 100. BJA 1931, p. 50. BJA 1936, p. 121. N&G Cat. 1908, p. 96.

Sovereign

Box of 5" x 4" plates. Speed: 175 H&D. Yellow label.

General purpose landscape plate having a speed of 150 - 175 H&D.

References & Notes:

BJA 1909, p. 232. BJA 1917, p. 100.

Process

Box of 6 ½" x 4 ¾" plates. Early red label.

The Process plate gave strong contrast. When introduced the plate had a speed of 10 - 15 H&D, later (mid 1910s) increased to 20 - 25 H&D.

References & Notes:

BJA 1909, p. 232. BJA 1917, p. 101. BJA 1936, p. 121. N&G Cat. 1908, p. 96.

Eclipse Ortho Soft

c.1922

Orthochromatic.
Box of 6 ½" x 4 ¾" plates. Speed: 850 H&D.

Eclipse Ortho Soft appeared around 1922 with a speed of 650 H&D. From 1928 the plate was also available with a speed of 850 H&D.

References & Notes:

BJA 1923, p. 84. BJA 1929, pp. 52, 318. BJA 1936, p. 121.

Imperial Gaslight Paper

Packet of 12, 4" x 5" papers. Rough.

This was available in rough and smooth finishes and later matt, semi-matt and glossy. Around 1923 Vigorous and Soft grades were introduced, previously only a single grade had been available. Rough finish ceased around 1920.

References & Notes:

BJA 1909, p. 235. BJA 1917, p. 101. BJA 1921, p. 97. BJA 1924, p. 73. BJA 1931.

Imperial Dry Plates Company Details

Early Photography

Imperial Ordinary

Imperial Dry Plate Co. Ltd

Cricklewood

England

References & Notes:

Sovereign

References & Notes:

Process

References & Notes:

Eclipse Ortho Soft

c.1922

References & Notes:

Imperial Gaslight Paper

References & Notes:

Film and Plates