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Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)

American Technical Society · Chicago : American Technical Society · leaf 87

An illustration from Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc., 1916, leaf 87
SHCTIONyAA |- 6^-0^ 6-0^6-Cf-^ III III SECT/OtiBB -/4-0 >• :.H .,1 ..-i:, cii i--^- Fig. 39. Plan and Elevation of Steel Tower … greater reliability. The first cost varies from two to four timesthat of wood-pole line construction. These towers take a largevariety of forms, one of which is shown in Fig. 39. They are spaced8—12 to a mile on straight work and range in height from 40 to 60feet, the higher towers being used for…

Electrical engineering

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