Society of Glass Technology · [Sheffield] · leaf 722
yor on to the main conveyor. The speedof the lehr conveyor is controlled so that it moves forward adistance slightly greater than the diameter of the ware beingannealed during the interval between the operations of the pusher-bar. • S. E. 346. Conveyors for Glassware. J. L. Hiatt, assignor toSchram…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
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