"Holt, Michael" <br/><br/>
Inventions 

 - 1st Edi 
 -  Belitha:  1990. 
 - 61 Pages:  illustrations;  27 cm. 
 - Belitha information library .
<br/><br/> Explains the nature of inventions and patents. Discusses significant inventions in the past such as the telephone, radio, the first aeroplane, the electric generator and goes back in time to early tool-making and the development of the wheel and sailing ship. Suggested level: intermediate, secondary 
<br/><br/><label>ISBN: </label>9781855610149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inventions History
<br/><br/><label>Dewey Class. No.: </label>900  / HOL