Telephone Electricians - Visual Signaling

Student Army Training Corps - World War I - Photograph LA XXXII - The Usual Manner of Conducting a Class in Visual Signaling

Mike Wallace speaking on telephone in office [horizontal]

one of four prints grouped together - taken at same location, about same time?

Mike Wallace speaking on telephone in office [vertical]

one of four prints grouped together - taken at same location, about same time?

Principles of electricity applied to telephone and telegraph work; a training course text prepared for employees of the Long lines department, American telephone and telegraph company, November, 1938...

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Telecommunications : development of competition in local telephone markets : report to the Subcommittee on Antitrust, Business Rights, and Competition, Committee on the Judiciary, U.S. Senate /

"B-283167"--P. 3.

Bell Telephone System Technical Publications: Monograph B

Title Varies: No.3-480, Reprint; No.481-5241, Bell Telephone System Technical Publications. Monograph B (No.1700-5241, Monograph)

Telephone system construction contract : labor & materials.

"REA form 511, Rev. 10-73."

Taxpayer service toll-free telephone program /

Shipping list no.: 86-202-P.

TOLL-FREE : taxpayer service toll-free telephone program /

Shipping list no.: 89-42-P.