Popular science monthly . lec-tric brake requir-ing only the pres-sure of one fingerto operate it. Thedevice consists of asmall electricmotor whichdrives a tinydrum carryinga steel cableattached to thebrake-equaliz-er and to theregular brake-drums. Themotor is con-trolled fromthe steering-wheel motorwith its drumcan be locatedunder thebody,under thedrivers scat orunder the mo-tor-hood, asshown in the accompanying lakes u|) \ery little space, since it isonly four inches high, six inches wide andeight inches long. It can be attached toany car simply by substituting it


Popular science monthly . lec-tric brake requir-ing only the pres-sure of one fingerto operate it. Thedevice consists of asmall electricmotor whichdrives a tinydrum carryinga steel cableattached to thebrake-equaliz-er and to theregular brake-drums. Themotor is con-trolled fromthe steering-wheel motorwith its drumcan be locatedunder thebody,under thedrivers scat orunder the mo-tor-hood, asshown in the accompanying lakes u|) \ery little space, since it isonly four inches high, six inches wide andeight inches long. It can be attached toany car simply by substituting it for theusual hand-levers, lever quadrant andbrake-rod connections. The controller consists ofa two-point switch enclosedin a small Iinusing bolted tothe steering-wheel columndirectly beneath the wheel,within easy reach of thedrivers hand. A simplemovement (>( the switch-handle controls the brakethroughout its entire rangeof operation, thus makingit very easy for a woman todrive even the heaviest of finger stops the err. fOOT BRAKECA6LE NOT CHANGLO The brake-motor is controlled from the steering-wheel column by simply moving a switch handle cars. The manuallabor in braking isanalogous to thatof cranking themotor, which wasdone awa\- with bythe electric starter,so that the ulti-mate general ap-plication of someform of mechan-ical brake is electricbrake draws itsoperating pow-er from theregular vehicleballer> whichma\beof 6, 12or 24 volts. Thecurrent con-sumed is saidto be \- e r >?slight. The devicecontains sev-eral novel me-chanical fea-tures, the totalreductionfrom the brake-motor to the


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872