Society of Glass Technology · [Sheffield] · leaf 464
d the axis common tothe two cylinders. The two main shafts, 10 and 11, are operativelyconnected by gearing, 12, the ratio of which is the same as thenumber of arms on the machine. The tracks, 41 and 41, normally determine the position of theblow tube, 36, but in front of the furnace a deep notch is… … Fig. 34. 64 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. cam, 49, on the shaft, 11, and by this means the end of the tubeis lowered into the glass and later withdrawn, the gathering iron
Glass
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