Annett, Fred Anzley. <br/><br/>
Electric elevators :  their design, construction, operation and maintenance /  
by F.A. Annett. 
 - 1st ed. 
 - New York,  McGraw-Hill,  1927. 
 - xii, 447 p.  illus.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELEVADORES<br/>TRANSPORTE VERTICAL
<br/><br/><label>Universal Decimal Class. No.: </label>621.87