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Elementary telegraphy : a manual for students; written specially to meet the requirements of the ordinary grade of the subject as published in the syllabus of the city and guilds of London Institute (1910)

Pendry, H. W. (Henry Walter) · London ; New York : Whittaker & Co. · leaf 142

An illustration from Elementary telegraphy : a manual for students; written specially to meet the requirements of the ordinary grade of the subject as published in the syllabus of the city and guilds of London Institute, 1910, leaf 142
ut, which is placed on the insideof the curve. The strut should meet the pole as nearto the resultant point as possible, and it is obviotis thatthe angle between the pole and the strut should be asgreat as the conditions permit. Aji example of a struttedpole is given in Fig. 109. In this case the… … Fki. lOS.—a :i5-liuu wooden irulc, with .slay liltud on ouliiggci-.K 2 132 ELEMENTARY TELEGRAPHY

Telegraph

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