EASEY EATON: - IN THE OPEN AIR. A SERIES OF OUT-DOOR LESSONS IN ARITHMETIC, MENSURATION, GEOMETRY...

J. Eaton Feasey:: - In the Open Air: A Series of Our-Door Lessons in Arithmetic, Mensuration, Geometry. For Primary and Secondary Schools -

Editorial: Sir Isaac Pitman and Sons, London UK.

120 págs. Láminas. 18x13 cm. Enc. ed. en tapa dura y rela.