Western Union Telegraph Company

Journal of the Telegraph; Volume 15

The Western Union Telegraph Company

Statement Of The Origin, Organization And Progress Of The Russian-american Telegraph

Dr. Norvin Green, President Western Union Telegraph Co

Annual Report

Journal of the Telegraph

Journal of the Telegraph, Volumes 1 & 2 1867

Journal of the Telegraph; Volume 14

Journal of the Telegraph, Volumes 5-6

Rules for the Construction, Reconstruction and Repairs of Lines and the Attachment of Office Wires, Ground Wires, Etc

Journal of the Telegraph; Volume 8

Specifications for the Multiplex Printing Telegraph System