. Development and electrical distribution of water power . Fig. 122.—Transmission Line. steel towers were employed. Fig. 122 is from a photograph of thetypical straight-line construction. This shows also one of thetelephone booths. Fig. 123 is a drawing showing the dimensionson a standard straight-line pole. The separation between wiresis 6 feet. The conductors are No. 4-0 stranded, semi-hard-drawncopper. A four-pin telephone cross-arm is placed 7 feet belowthe transmission line. The poles are set from 100 feet to 120 feet TAYLORS FALLS PLANT 245 apart and vary in length according to the local
. Development and electrical distribution of water power . Fig. 122.—Transmission Line. steel towers were employed. Fig. 122 is from a photograph of thetypical straight-line construction. This shows also one of thetelephone booths. Fig. 123 is a drawing showing the dimensionson a standard straight-line pole. The separation between wiresis 6 feet. The conductors are No. 4-0 stranded, semi-hard-drawncopper. A four-pin telephone cross-arm is placed 7 feet belowthe transmission line. The poles are set from 100 feet to 120 feet TAYLORS FALLS PLANT 245 apart and vary in length according to the local conditions and con-tour of the country from 40 feet to 60 feet, the object of this being, = Fig. 123.—Standard Fig. 124.—Guyed Pole. LU ^^ : LU
Size: 1595px × 1566px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkwiley, books
