Operator's Wireless Telegraph and Telephone Handbook: A Complete Treatise On the Construction and Operation of the Wireless Telegraph and Telephone, I (Paperback) (ISBN-13: 9781021660107)

Originally published in 1918, this comprehensive handbook provides detailed and practical information on the construction and operation of wireless telegraphs and telephones. Written for operators in the military and naval services, it includes information on codes, abbreviations, and best practices for effective communication.

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