Society of Glass Technology · [Sheffield] · leaf 578
the lehr. In use, the bottle, B, is inserted in a chute, 19,and as each is pushed inwards it opens a cock that admits com- FUELS, REFRACTORIES, AND FURNACES. 95 pressed air to a cylinder, which turns the wheel, 20, through thespace of one tooth. Thus the wheel is moved step by step until acertain… … Fro. 63. Fig. 64. wheel, that pushes the bottles out of the pockets on to> the pans.At the same time, a switch in the circuit of the motor, M, is closedfor a short time, so that the line of pans is moved onwards a shortdistance. When a pan reaches the end of the lehr, it runs on to asection, 54…
Glass
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