Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 418
re was always more or less water ofcondensation in it. A drain pipe was run from the bottom of thesteam chest to a steam trap, which was set considerably below thelevel of the bottom of steam chest, and the water escaped to thissteam trap. The automatic stop was a screw provided with a traveling… … Fig. 3. Elevator Engine witli Worm Gear. a spur gear and pinion, which were so proportioned as to give thisautomatic screw about the same speed as the drum shaft. Thetraveling nut was so arranged that at either end of the viifi it would 821 8 ELEVATORS come in contact with the set collars, which…
Architecture · Building · Carpentry
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
