A companion to Wrigley's collection of examples and problems / 
illustrated by John Platts and Aklfred Wrigley 
 - Cambridge :  Deighton,  1861 
 - viii, 449 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Problems, exercises, etc.
<br/><br/><label>Dewey Class. No.: </label>513