Brown, Frederick G. W. <br/><br/>
Progressive trigonometry / 
by Frederick G. W. Brown 
 - London :  Macmillan,  c1928 
 - ix, 222 p. ;  19 cm. 
<br/><br/> Numerical trigonometry and mensuration  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>514