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Spencer, William George. 3937.66
Inventional geometry: a series of questions, problems and explana-
tions, intended to familiarize the pupil with geometrical concep-
tions, to exercise his inventive faculty and prepare him for Euclid
and the higher mathematics. With a preface by Herbert Spencer. London. Williams & Norgate. 1892. 47 pp. Sm. 8°.
 
Jan. 26, 1904 F1748 — T.r. — Geometry.