Steel transmission structures and catenary bridges. (1914)
Archbold-Brady Co. · Archbold-Brady Co. · leaf 7
; the conductor, arc 40(),()(MJC. M. aluminum stranded cables. The A Frames are .>.> ft. high fromground line to top, arc set a standard distance of KMJ ft. apart with spans upto :•{) ft. where they are set on elevations. The llexiblc lower- arc guyed atintervals, square Towers being used… … FLEXIBLE TOWERS ON LINE OF NIAGARA FALLSPOWER COMPANY The A Frames shown are on a relocation around the chemical districtat Niagara Falls, of the NIAGARA FALLS POWER COMPANYS mainlines to Buffalo. On account of heavy lightning conditions, three ?£-in. plowsteel ground cables are installed on each…