Facts
- Author
- Joly, Norman F.
- Language
- English
- Project Gutenberg No.
- 66
- Released on Project Gutenberg
- May 1, 1993
- Bookshelves
- History - Modern (1750+), Engineering & Technology
- Subjects
- Radio broadcasting
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)