Unwin, W (William) Cawthorne,   ( 1838-1933 ). <br/><br/>
The elements of machine design, 
by W. Cawthorne Unwin and A. L. Mellanby. 
 - New and rev. ed. 
 - London, ;   New York ;   Toronto :   Longmans, Green and co. ltd.,   1927-1931. 
 - 2 v. :   illus., diagrs.  23 cm. 
 - Text-books of science .
<br/><br/><label>LCCN: </label>28000477  
<br/><br/><label>Subjects--Topical Terms: </label><br/>DISEÑO DE MÁQUINAS