The beginning of radio / Rosemary Border - 358 páginas : ilustraciones ; 21 cm.

1. Crippen´s life at sea.-- 2. We have plenty of wire.-- 3. On the roof on ther post office.-- 4. The marconi wireless telegraphy company.

ISBN: 0304305936

Subjects--Topical Terms:
IDIOMA INGLÉS

Dewey Class. No.: Hem 428.64 / B728t