Transmission towers
By: being a reprint of a paper read by E.L. Gemmill, chief engineer of the Transmission tower department of Blaw-Knox company, Pittsburgh, before the Engineering society of the same company...
Contributors: Gemmill, Edwin Le Roy, 1879-
Publisher: Blaw-Knox company
Published: 1920
Place of publication: Pittsburgh, Pa., New York [etc.]
Language: eng
Number of pages: 89
Subjects: Overhead electric lines; Electric power distribution
Notes: "Catalog no. 20."
Blank pages for "memoranda" (6 at end)