Excursion in mathematics / by Ernst R. Breslich ...

Author:: Breslich, Ernst R. (Ernst Rudolph), 1874-
Published:: Chicago : The Orthovis company, 1938.
Physical Description:: 4 preliminary leaves, 47, 1 unnumbered p.incl.front., illustrations, diagrams ; 23 x 21 cm

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Subject(s):

Geometry, Solid

Note:

One ortho-scope in pocket mounted on lining-paper.
"The book has developed from experiments devised to train pupils in spatial imagination. It aims to supplement and strengthen the teaching of geometry in the secondary school from the seventhe grade on."--Author's note.

View MARC record | catkey: 1342520