Society of Glass Technology · [Sheffield] · leaf 527
Fig. 85. movable by cams operated by a handle, 16. The plate, 23, ismovable axially by a cam-jflate, 18, fitted with a handle, 30. Inoperation, the sectors, 3, 4, 5, are closed and the plate, 23, islowered to the position shown by dotted lines in Fig. 85. Thebait is then lowered into the molten…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.