Lock, J. B. <br/><br/>
The trigonometry of one angle / 
by J. B. Lock 
 - London :  Macmillan,  1891 
 - vi, 100 p. ;  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>514