Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 560
FIG. 389.—WESTERN ELECTRIC CUT-OFF RELAY. the armature is attracted the plugs, k, serve to raise the springs, g,thus breaking their contact with the springs, /. It is easy to see that the springs, g, in their upward movementmight also be made to make contact with other springs above themwhen the…
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