Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 628
springs,as in normal use. That at the right hand portion, however, showsthe heat coil after it has been operated, thus allowing the springsto separate, opening the line circuit and closing it to ground. The 606 AMERICAN TELEPHONE PRACTICE. circuit through these arresters may be traced by following… … FIG. 439.-CONNECTIONS OF KELLOGG CARBON ARRESTER. the spring connecting with the removable head of the coil, thence,when the coil is intact, through the winding of the coil and throughthe spring which holds the other end of the coil through which thecircuit is led, to one of the left hand terminals…
Telephone
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