Zimmer, George Frederick,  1854- <br/><br/>
The mechanical heading and storing of material:  being a treatise on the handling and storing of material such as grain, coal, ore, timber, etc., by automatic or semi-automatic machinery, together with the various accessories used in the manipulation of such plant / 
George Frederick Zimmer 
 - London :  Crosby Lockwood,  1916 
 - 744 p. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conveying machinery<br/>Hoisting machinery