Archive for the ‘convex clock glass’ Category
The old glass was repaired so it could be use to cast a high temperature mold . The mold and an old piece of glass went into a kiln to form a glass blank.
The blank was cut to size , beveled and the dimple was ground and polished. The dimple is use to add additional clearance for the center stem.
I hope to update the post with a picture of the restored clock. I have made many lens for old clocks but this is the first one with a additional polished bent and dimple.