. Electrical world. 0 cmO _„ I FIGS. I .\.\D 2.—DESK SET BOX, OPEN .\ND CLOSED. covered by a handsome nickel-plated brass shell, and in it are mounteda condenser, the hook switch, a retardation coil and two rubber ter-minal blocks for the receiver and desk stand cords. The condenseris of a special construction designed to give a comparatively largecapacity in a small space. The retardation coil is also of an especially. FIG. 3.—DESK TELEPHOXE. compact design. All parts in the base are normally enclosed by aniron plate which fits over the bottom. The lever of the hook switch is a long L-shaped
. Electrical world. 0 cmO _„ I FIGS. I .\.\D 2.—DESK SET BOX, OPEN .\ND CLOSED. covered by a handsome nickel-plated brass shell, and in it are mounteda condenser, the hook switch, a retardation coil and two rubber ter-minal blocks for the receiver and desk stand cords. The condenseris of a special construction designed to give a comparatively largecapacity in a small space. The retardation coil is also of an especially. FIG. 3.—DESK TELEPHOXE. compact design. All parts in the base are normally enclosed by aniron plate which fits over the bottom. The lever of the hook switch is a long L-shaped piece pivoted onthe standard, the short arm of which terminates in the fork for thereceiver while the long arm extends down through the hollow stand-ard to the base, where its insulated end engages with the hook springswitches. This lever is actuated by a stifT leaf spring. The new type of Kellogg desk set box is also illustrated herewith
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
