For cutting circles.

With:

1) 6" x 4 ½". Ground base, handle.
2) 5 ¾" x 4".
3) 4" x 3".
4) 3 ⅝" x 2 ⅜".
5) 6 ¼" x 4 ½".
6) 3 ⅞" diameter.
7) 3" diameter.

The better glass templates had a ground base and a handle others were simply blocks of glass with polished edges. Grid lines are sometimes present on the base.

7" cut.