. The street railway review . this instrument i gncd to ,—3 1 ^^u^^ 111 iisssssssssssssssss^i \ 4 1 w - 1 Ik * J!!3:, ggggggggggge,^. 1 1 1111 1 wi ^_ NEW CAR HOUSE FOR CHICAGO CITY RAILWAY CO. leaving the opening entirelj clear. Each door 1- equipped withKinnear trolley wire connections, winch provide an uninterruptedcircuit with the d,„,r m any position. (here arc 54 of these doorsnow in service on the building, and the Chicago City Railway Co. hascontracted 101 .-- simnar our:, for other buildings now being located at on- 31, THE HARTMAN CIRCUIT BREAKER. The llariman automatic oil circuit b
. The street railway review . this instrument i gncd to ,—3 1 ^^u^^ 111 iisssssssssssssssss^i \ 4 1 w - 1 Ik * J!!3:, ggggggggggge,^. 1 1 1111 1 wi ^_ NEW CAR HOUSE FOR CHICAGO CITY RAILWAY CO. leaving the opening entirelj clear. Each door 1- equipped withKinnear trolley wire connections, winch provide an uninterruptedcircuit with the d,„,r m any position. (here arc 54 of these doorsnow in service on the building, and the Chicago City Railway Co. hascontracted 101 .-- simnar our:, for other buildings now being located at on- 31, THE HARTMAN CIRCUIT BREAKER. The llariman automatic oil circuit breaker, shown in the accom-panying illustration, is a new device made bj 1 O. Hartman, Mans- 1. winch has Keen designed for use in locations where ii. □ ARTMAN CIRCI IT HREAKER. would be unsafe to use the ordinary air break instrument It isadapted especially for electric railway use and i- claimed to be ex-ceedingly reliable in breaking the circuit where the current 1the amount for which the instrument 1- set The -witch mechanism acl as ik switch as well as a circuit breaker, and where 11 i- used on car- the hood -witch may be dispensed with. It ma]be readily used on old equipments by removing the hood switch andinserting the circuit breaker in il- place. It 1- also designed foruse in connection with large motor- and i- well adapted for dampor other unfavorable location- a- the working parts are entirelyenclosed. NATIONAL BUREAU OF STANDARDS. A work thai i- being followed with much interest by all personsconnected with enginei ring and manufacturing 1- that of the NationalBureau of Standards, organized in March, toot. It has been neces-sary to greatly increase the scientific and clerical force of theBureau and to rent additional s
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
