Allen Gwynnes: Scale Model Testing 

 - A.P.E.- Allen Limited  [date of publication not identified] 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial Catalogs.<br/>CATALOG.<br/>PUMPS.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>UNITED KINGDOM.