Horton & Newell  <br/><br/>
Ingenious Mechanisms IV 

 -  Industrial Press  2001 
 - 486 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Mechanisms
<br/><br/><label>Dewey Class. No.: </label>621.9