Hitchings, Rob. <br/><br/>
How to make cutting-shears for sheet metal:  step-by-step instructions on how to build hand-operated shears for cutting sheet metal/ 
Rob Hitchings. 
 - London:  Intermediate Technology Publications,  1985. 
 - 20p.:  ill.; 
<br/><br/><label>ISBN: </label>0946688117 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering. Shear-cutting equipment. 
<br/><br/><label>Dewey Class. No.: </label>621.93