International Library of Technology · Scranton, International Textbook Co. · leaf 96
ntactshoes s, s that press sidewiseagainst the conductor rails a, aunder the action of the flatsprings d, b\ Connection ismade to the car by means ofcables c, c\ which connect tothe shoes by means of flat in-sulated strips passing throughthe flat part of the plow andconnecting to the shoes bymeans… … Contact Shoe ^H^onducfor Rail 8 ELECTRIC RAILWAYS. § 20 other, in order that the plow can change its position relativeto the car when necessary. 9. As stated above, the open-conduit construction is veryexpensive. It is necessary that the yokes be well designedto resist the pressure of the earth…
Electrical engineering
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