Inside Out Library · Explore

American telephone practice (1905)

Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 638

An illustration from American telephone practice, 1905, leaf 638
FIG. 452.-ENLARGED PLAN HIEDARD FRAJIE. The ends of the jumper wires are shown at 11 In a similar mannerthe wires leading from the switch-board jack are bunched into acable, f.,, which is then led through the cable run to the properstrip, d. of the distributing board, where it is fanned out and…

Telephone

Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from American telephone practice

More like this