Society of Glass Technology · [Sheffield] · leaf 564
e section, 8, by means of apiston in a cylinder supplied with fluidfrom a pendent pump, as described inSpecification 151303. A lens-holder frame,62, pivotally mounted on arms, 60, on thecarriage, 16, is urged towards the grind-stone, 10, by weighted levers or springs.A shaft, 65, journalled in an… … 164 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. shaft, 73, carried by arms, 74, on the extension, 64. A handle, 75,serves to rotate the eccentric shaft, 73, and throw the gears,69, 70, out of mesh. A disc (Fig. 128) on the shaft, 65, drivesat a varying speed a disc 84, on a parallel shaft, 82; a…
Glass
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