Society of Glass Technology · [Sheffield] · leaf 751
actuated by a spring, 75, and de-clutched by a hand-moved cam, 73. A clutch member, 119, keyedto the shaft, 59, co-operates with a loosely mounted clutch member,120, with teeth, 117, turning, through gears, 1*16, 115, 112, a spring-urged graduated disc, 96. An electro-magnet, 121, is provided… … Fig. 200. operates as follows : When the cutting mechanism is idle, theclutch, 62, is out and the gear, 58, turns idly. To cut a length of,say, 60 inches, a peg, 102, is placed in a hole on the graduated disc,96, the hand wheel, 73, turned to permit engagement of the clutch,62, and a hand switch,…
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-graphophonepaten15unit-223-145.webp)
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