Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 207
the cfintour to keep the line more nearly straight. At unavoidable curvesheavier ])oles are inclined outward, guyed or double-guyed laterally on theoutside by strands of No. 6 or S galvanized iron from beneath the single cross-arm, or the middle of the lower half of several cross-arms to a guy stub…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
