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Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 978
HOJCO^-^^iOCD < bo e rt > 101010©K30©©1010C0^r^CC>t-OrHTH<MC0 Ci U3 o ■*-4i <N tHi-IiHtHtH a w ij m 3 Eh > t-l> !>; lO lO t- C3 <N «3 o tH t^ tj5 <M ift ci oi CO rfJ Tt? r-d-lr-lC^CMC^COCO^Th Ih o 0> iO a < be G 5 > lO CO w C o lO-<tiT^THO00*lOC^C<l s… … Pig. 388single wgiul and gear electric elevator, basement instal-LATION 944 Steam Engineering In addition to the waste of power caused by unnecessarystarts, there is the tremendous strain to which the appar-atus and cables are subjected when the car is suddenlystopped on the down trip; there is…Steam engineering · Electrical engineering · Steam-turbines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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