Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U.S. seacoast defenses (1902)
United States. War Dept, Anderson, George Lucius, 1849-1934 · Washington, Govt. Print. Off. · leaf 204
207. 208. the contour to keep the line more nearly straight. At unavoidable curveslieavier poles are inclined outward, guyed or double-guyed laterally on theoutside by strands of No. 6 or 8 galvanized iron from beneath the single cross-arm, or the middle of the lower half of several cross-arms to a…
Electric machinery · Searchlights · Coast defenses
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
