Fedunkiw, Marianne,  <br/><br/>
Inventing the radio 

 - 32 pages :   colour illustrations ;   28 cm 
 - Breakthrough inventions .
 - Breakthrough inventions .
<br/><br/><label>ISBN: </label>9780778728177 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio - History - Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>621.38409