Regulations for radio apparatus and operators on steamers.
Subtitle: (Supersedes Department circular no. 241.)
Edition: Ed. July 1, 1913.
Publisher: Govt. print. off.
Published: 1913
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Steamboats -- Radio equipment -- Law and legislation.; Radio operators -- Licenses -- Law and legislation.
Notes: Bound with other pamphlets on radio communication regulations.