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American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 234

An illustration from American telephone practice, 1905, leaf 234
ere thedrops and jacks are separately mounted, both positions being fullyequipped. In this the clearing-out drops are arranged just below 212 AMERICAN TELEPHONE PRACTICE. the line drops, there being one of these for each pair of cords andplugs. At the left-hand portion of this cut is shown a… … FIG. 195-STEOMUliKC.CARLSON M.VGN^ETO DOAED. the lightning arresters which forni the connecting links between-Ihe outside and the inside wiring are often mounted in such acabinet. The idea of constructing switch-board parts in units which maybe removed or placed at will, and by means of which a…

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