Synopsis of the signal systems based upon the dot and dash and two-arm semaphore codes
By: Headquarters, U.S. Marine Corps
Publisher: U.S. Gov. Print. Off.
Published: 1918
Place of publication: Washington, D.C
Language: eng
Subjects: United States; Signals and signaling; Communication systems; Military Communications; United States. Marine Corps
Notes: "N.M.C. 701-Q.M."--T.p.

"January 6, 1917"--p. 3.