Radio, miracle of the 20th century ...
Subtitle: a story of human achievement that stands unrivalled in the history of humanity, together with a colorful portrayal, giving a broad, general view of the whole subject of wireless telegraph and telephone and its marvelous development
Contributors: Lewis, James G., joint author
Publisher: Printed by National publishing co.
Published: 1922
Place of publication: Philadelphia
Language: eng
Number of pages: 320
Subjects: Radio; History