Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 707
(^T t• trolley c. b • circuit breahir r.r-rheostatsm • icotqrb - booster RTROTARY TRANSFORMER W.T WELDING TRANSFORMER 3 Vf;SWITCH … SKETCH OF BAR. USED IN WELDING o <3 ... *&■, 8 1 ¥ , X | («0i) * Web Plates Figs. 3 and 4. — The Lorain Steel Company Method of Electric Welding. being made at each joint. Great pressure up to 35 tons is maintained onthe joint whilst making and cooling. The welding current runs as high…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
