Annett, F. A. <br/><br/>
Elevators Electric and Electrohydraulic Elevators Escalators Moving Side Walk and Ramps  

 - 3rd 
 - New York :   McGraw-Hill,   1960 
 - XI, 388 p.  : ill 
<br/><br/>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elevators
<br/><br/><label>Dewey Class. No.: </label>621.877  / ANN