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: 1877
Place of publication: New York
Language: eng
Number of pages: 97
Subjects: Geometry -- Study and teaching