. American telephone practice . FIG. 120.—DRY-BATTERY WALL SET—OPEN. of green silk and is long enough to give sufficient range of motionto the desk stand. The number of conductors in this cord is a. FIG. 121.—STROMBERG-CARLSON TRIPLET. matter which should be given some weight in laying out the schemeof wiring, as the cord is an item of no inconsiderable expense, andon general principles, the fewer the number of conductors in a 10 146 AMERICAN TELEPHONE PRACTICE. flexible cord the better. As an aid to desk set wiring it is not un-common to use a separate connecting rack having several bindingpo


. American telephone practice . FIG. 120.—DRY-BATTERY WALL SET—OPEN. of green silk and is long enough to give sufficient range of motionto the desk stand. The number of conductors in this cord is a. FIG. 121.—STROMBERG-CARLSON TRIPLET. matter which should be given some weight in laying out the schemeof wiring, as the cord is an item of no inconsiderable expense, andon general principles, the fewer the number of conductors in a 10 146 AMERICAN TELEPHONE PRACTICE. flexible cord the better. As an aid to desk set wiring it is not un-common to use a separate connecting rack having several bindingposts which may be mounted in any convenient part of the deskand to which the various wires leading to the generator, bell, bat-tery, etc., may be attached. Fig. 124 shows the general scheme ofwiring used by the Stromberg-Carlson Company in their seriesmagneto desk set arrangement, the generator being mounted in thebox on which the desk stand rests and forming a sort of shelf there-for if desired. In case it is wished to keep the desk stand on thedesk proper, the generator box may be mounted under or beside


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