Clark, John A. <br/><br/>
Energy and engines / 
[by] John A. Clark [and others]. 
 - [London] :  Longmans, [Green,  1967] 
 - Science on the march. Unit 6  Science on the march. Unit 6 .
<br/><br/> First published in 1955. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Force and energy.<br/>Engines.