Loney, S. L. (Sidney Luxton) <br/><br/>
Plane trigonometry : part I - An elementary course, excluding the use of imaginary quantities / 
Loney, S. L. (Sidney Luxton) 
 - 6th 
 - xi, 300 p. : ill ; 18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry<br/>Plane trigonometry
<br/><br/><label>Dewey Class. No.: </label>516.242