Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 179
AAAA Fig. 265.—Connections for a compound automatic reversing printing-press controller.Moving the lever to the right gradually cuts out resistance in series with the armature untilfull spefed is reached, when further movement in the same direction will insert resistance iuseries with the field… … Fig. 266.—Connections for Carpenters compound press controller. When the lever is inthe off position, the solenoid switch, b, can be energized by operating the release shown at theright. This solenoid switch closes the main circuit through the starting resistance, which thencan be cut out step by…
Electric wiring
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