Radiobeacons and radiobeacon navigation
By: by George R. Putnam. July 1, 1931.
Contributors: Putnam, G. R. b. 1865.
Publisher: U.S. Govt. print. off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 42
Subjects: Beacons -- United States.; Radio.
Notes: At head of title: U.S. Department of commerce. R. P. Lamont, secretary. Lighthouse service. George R. Putnam, commissioner.
"A small pamphlet, Radio fog signals and their use in navigation in connection with the radiocompass, was published by the Lighthouse service in 1921, and was also included in the Annual report for that year; this was revised and published separately in 1924, under the same title, The present publication is a revision of these."--p. 1.
"List of United States radiobeacons for marine use. (July 1, 1931)": p. 41-42.