Society of Glass Technology · [Sheffield] · leaf 639
e for delivering molten glass from an orifice, means are providedfor manually adjusting the movements of the plunger duringoperation, for shearing the extended metal, and for timing andadjusting the shearing mechanism, both simultaneously with theplunger and also independently. The plunger, 37,… … Fig. 154. an arm, 52, by means of a hand wheel, 59, connected by auniversal joint, 60, to a screwed rod, 55. The length of thestroke can be adjusted by varying the position of the fulcrum, 49,of the lever, 48, and the character of the stroke can be variedby the cam, 47, which is formed with three…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-650-283.webp)
