Plans and specifications for wireless telegraph sets
Subtitle: complete and detailed instructions for making an experimental set, also a one to five mile set
By: by A. Frederick Collins.
Edition: 1st ed.
Series: The model library,; no. 37
Publisher: Spon & Chamberlain; [etc.,etc.]
Published: 1912
Place of publication: New York
Language: eng
Subjects: Telegraph, Wireless.