. Railway master mechanic [microform] . Fig. 3—Driving Wheel Drop Table, SupportingScrews. wheels in which the several supporting screws shaft terminates in a bevel gear, wheel which en-gages one of two similar wheels arranged in two pairson a transverse shaft located over the south end wall ofthe pit. The gear wheels on the transverse shaft arearranged in pairs to provide for revolving the main either direction, thereby raising or lowering the tableas desired. One end of the transverse shaft is supportedby an outboard bearing and carries a pulley which is. *—y>

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Keywords: ., bookcentury1800, bookdecade1890, bookidrailwaymaste, bookyear1895