Society of Glass Technology · [Sheffield] · leaf 515
o one another, and by adjusting these two parts the lengthof the cam, and therefore the time the plunger is in contact withthe glass, can be adjusted. The pipe, 37, is finished with a cock,47, and the supply pipe, 39, with a similar cock, the tAvo beingcoupled by a handle, 48. By turning this… … MACHINERY FOR THE WORKING OF CLASS. 85
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
