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 456
Fig. 15. Double Suspension. For Wood Poles. … FiG. 16. Double Suspension. For Iron Poles. TROLLEY WIBE SUSJPEWSIOW. The support of the trolley wire along straight linesis a. simple matter and needs no explanation ; atcurves and ends there have been some simple formsdeveloped in practice that are handy to have athand. FolloAving are some of the…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
