. Cassier's magazine. transformers with its transmission form of air switch, opening six feet,contained no metal except conductors,and was composed entirely of paraffinedwood and rawhide, without porcelain,glass or other insulator. Others weresliding frames carrying line insulators. During the first year of operation thetransmission comprised a single 32-mileline to one receiving point at Mercur,where the arrangement was similar tothat at the power house, save that tworeducing transformers were connected ing-field alternators, direct connected at400 revolutions to double discharge twi
. Cassier's magazine. transformers with its transmission form of air switch, opening six feet,contained no metal except conductors,and was composed entirely of paraffinedwood and rawhide, without porcelain,glass or other insulator. Others weresliding frames carrying line insulators. During the first year of operation thetransmission comprised a single 32-mileline to one receiving point at Mercur,where the arrangement was similar tothat at the power house, save that tworeducing transformers were connected ing-field alternators, direct connected at400 revolutions to double discharge twinturbines under 212 feet head. Thisplant is connected with the Provo sys-tem by duplicate lines over 100 mileslong, passing the cities of Ogden andSalt Lake. The Provo and Loganplants are thus operated in unisonthrough nearly 200 miles of transmis-sion. Distributing points at Mercur,Eureka, Bingham, Salt Lake and Provoare also junction points of the duplicatelines, equipped with switches in each 192 CASSIERS MAGAZINE. PIONEER WORK IN POWER TRANSMISSION 193
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