relay a, of which the ar- are brought together. At this moment mature, yielding then to the spring /, is the striking electro-magnet functions and returned to its initial position, breaking the arc is "struck." The regulating in its turn in this movement the circuit of the lamp consists in giving… … anism instantly. Again, the con- trol at a distance can be changed for the turned then to its initial position, closing ordinary hand-control. again in this movement the circuit of The mechanism of the projector is the relay a, which attracts its armature, placed in the base on which it is mounted.…
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
