Книги автора «William George Spencer»

Inventional Geometry: A Ser. of Questions, Problems, and Explanations (William George Spencer)

Inventional geometry; a series of problems, intended to familiarize the pupil with geometrical conceptions, and to exercise his inventive faculty (William George Spencer)

Inventional Geometry - Intended to Familiarize the Pupil with Geometrical Conceptions (William George Spencer)

Inventional Geometry (William George Spencer)