Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 225
of brass, the sleeve. A, being in tlie form ofa hollow hexagonal-headed screw. The sleeve passes through themounting strip and engages a thread in the frame, B, clamping thejack firmly on the mounting strip, C, so that there is no possibility01 short circuits between the jack and the mounting… … FIG. 1S7.—KELLOGG COMBINED DROP AND JACK. lifts this spring, B, out of contact with the spring, £, with which itnormally engages, and as this spring rides upon the tip of the plugits forwardly projecting portion engages the drop, thus restoringit to its normal position. The entire electromagnet of…
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