Hughes, Edward, 1888-  Hughes, Edward, 1888- <br/><br/>
Engineering science / 
Edward Hughes and Christopher Hughes. 
 - 3rd ed. 
 - [Harlow] :  Longman,  [1987] 
<br/><br/><label>ISBN: </label> L.07.95 each 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics.