Fig. 207.—Top View of the Loose Coupler.
The secondary sections are connected to six contacts and a switch-arm mounted on the end of the secondary so that by turning the switch either one, two, three, four, five, or six sections of the winding may be connected.
Fig. 208.—End Views of the Loose Coupler.
Fig. 209.—Complete Loose Coupler.
The two binding-posts near the secondary end of the coupler are connected to the terminals of the secondary winding by means of two flexible wires. They have not been shown in several of the illustrations because they would be liable to confuse the drawing.
The primary is provided with a slider moving back and forth over a narrow path scraped through the insulation so that it may make contact with each wire independently.
Detectors