Cathcart, William Ledyard,  1855- <br/><br/>
The elements of graphic statics and of general graphic methods /  
by William Ledyard Cathcart and J. Irvin Chaffee. 
 - New York,  D. Van Nostrand,  1910. 
 - viii, 312 p.  diagrs. with 159 illustrations.  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ESTÁTICA GR ÁFICA<br/>MÉTODOS GRÁFICOS
<br/><br/><label>Universal Decimal Class. No.: </label>531.25