Inventional geometry
Subtitle: a series of problems, intended to familiarize the pupil with geometrical conceptions, and to exercise his inventive faculty
By: by William George Spencer ; with a prefatory note by Herbert Spencer.
Contributors: Spencer, Herbert, 1820-1903.
Series: Science primers
Publisher: D. Appleton and Company
Published: 1881
Place of publication: New York
Language: eng
Number of pages: 97
Subjects: Geometry -- Study and teaching -- Methods