Carslaw, H. S.  1870-1954. <br/><br/>
Easy numerical trigonometry / 
H.S. Carslaw. 
 - Australia :  Angus & Robertson,  1927 
 - 152 p. :  ill. ;  18 cm. 
<br/><br/> Based upon author's Easy numerical trigonometry of the right-angled triangle. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry--Problems, exercises, etc.--Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>514  / CAE 1927