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Telegraph engineering : a manual for practicing telegraph engineers and engineering students (1922)

Hausmann, Erich, 1886- · New York : D. Van Nostrand Company · leaf 292

An illustration from Telegraph engineering : a manual for practicing telegraph engineers and engineering students, 1922, leaf 292
Fig. 10. Cable Pole Boxes. — At suburban points beyond which itis not deemed necessary to extend underground cable lines,and at water crossings, cables are brought to the tops ofpoles and terminated in cable pole boxes, as shown in Fig.II. Combined fuses and Hghtning arresters are locatedwithin…

Telegraph

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