Simpson, Thomas Marshall,  1881- <br/><br/>
Plane trigonometry and logarithms, 
by Thomas Marshall Simpson. 
 - Philadelphia,  Winston  [c1930] 
 - viii, 174 p.  front., illus., diagrs.  19 cm. 
<br/><br/> Contains answers. 
<br/><br/>With this is bound the author's Logarithmic and trigonometric tables.  Philadelphia, c1930. 
<br/><br/><label>LCCN: </label>ca 30001473  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane trigonometry.<br/>Logarithms.
<br/><br/><label>LC Class. No.: </label>QA533  / .S5 
<br/><br/><label>Dewey Class. No.: </label>514.5