Federal Telegraph Company. 100 K. W. Antenna Loading Inductor. [Caption title].
(n. p.), [San Francisco]: [Federal Telegraph Company], (n. d.), circa 1920. 18-3/4 x 14-3/4 inches. Mounted photograph, in a black wooden frame with an engraved metal plaque. Light soiling and toning; three approximately nickel-sized spots of loss to photographic overlay; frame somewhat scuffed and worn. Good.
Large photograph showing one of the Federal Telegraph Company's 100 KW antenna loading inductors, with a man in work clothes standing beside it for scale.