Excursion in mathematics / by Ernst R. Breslich.
| Author/creator | Breslich, Ernst R., 1874- |
| Format | Book |
| Publication Info | Chicago : The Orthovis company, 1938. |
| Description | 47 pages including frontispiece, illustrations, diagrams ; 23 cm |
| Subjects |
| General note | "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 seventh grade on."--Author's note. |
| LCCN | 38007777 |