Manual of radio telegraphy and telephony for use of naval radiomen
By: rev. by S.C. Hooper and T.A.M. Craven.
Edition: Ed. 7, rev.
Publisher: U.S. Naval Inst.
Published: 1927
Place of publication: Annapolis
Language: eng
Number of pages: 737
Subjects: Telegraph, Wireless; Telephone, Wireless