georgs allen & Unwin Ltd. <br/><br/>
Universal Encydopedia Of Machines Or How Things Work. 

 - London  George Allen And Unwin Ltd.  1970 
 - 590p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>GEN
<br/><br/><label>Index Terms--Genre/Form: </label><br/>24G
<br/><br/><label>Dewey Class. No.: </label> / GEO