. Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] . 1, Automatic repeater: l, automatic line tester; 3, multiple pen register; 4, manual dial vuxrvff^vmy. 1 Relay switchboard; 2, joker board; 3, working switcbboard; 4, multiple pen register; 5, automatic line DEPARTMENT, FIRE ALARM HEADQUARTERS, WASHINGTON, D. C, 1902. 130 TELEPHONES AND TELEGRAPHS. Table 7.—ELECTEIO FIEE ALARM STATE OR TEKRITOEY. Num-ber ofsys-tems. CHARACTER OF CONSTRUCTION. NUMBER AND CHARACTER OP BOXES ORSIGNALING STATIONS. Overhead. Undergrou
. Telephones and telegraphs: 1902 : [and Municipal electric fire alarm and police patrol systems] . 1, Automatic repeater: l, automatic line tester; 3, multiple pen register; 4, manual dial vuxrvff^vmy. 1 Relay switchboard; 2, joker board; 3, working switcbboard; 4, multiple pen register; 5, automatic line DEPARTMENT, FIRE ALARM HEADQUARTERS, WASHINGTON, D. C, 1902. 130 TELEPHONES AND TELEGRAPHS. Table 7.—ELECTEIO FIEE ALARM STATE OR TEKRITOEY. Num-ber ofsys-tems. CHARACTER OF CONSTRUCTION. NUMBER AND CHARACTER OP BOXES ORSIGNALING STATIONS. Overhead. Underground. Signaling. Annunciating. Miles oJ poleline. Wire mileage. Street miles ofconduit. Wire mileage. Totalnum-ber. Num-ber onpoles or posts. Allother, Totalnum-ber. Num-ber onpoles orposts. Allother. Owned. Leased. Total. Singlewire. Singlewire incables. Owned. Leased. Total. Singlewire. Singlewire incables. 1 United 764 2,798 10,952 28,202 27,721 481 414 445 11,433 626 10,907 37,739 34,776 2,963 93 84 9 1 6 1 2 28 12 26 1178 1 34 37 . 19 8 123 22 3 106 4017433 5 1 18 57 2 2 709460 2 56633 4 101 119 7426 2 4 7 7 149 42 55 -(vr- 67 10162874933 29 ii 8311 21081 83 9 6 ii 185 371 3
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttelephone, bookyear19
