Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 735
rstselector being at the left. The line wires, V and R, are continuedto the live pole of the battery, B, through the relays, F i? and i? R,respectively. It is evident that the first series of vertical impulses sent by thesubscriber corresponding to the thousands digit in the number ofthe desired… … FIG. Sll—FIRST SELECTOR—ISTORMAL. magnet, V M, this circuit being traced from battery, B, through themagnet, V M, to the left-hand contact point of the fourth side-switchlever, thence to the back contact of the private magnet to groundthrough the contacts of the vertical relay. The vertical magnet…
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