Teaching about light and sight ;
a handbook for classroom teachers in elementary and secondary schools.

Description

Corporate Author

National Education Association of the United States. Research Division.

Language(s)

English

Published

Washington, D. C. : Research Division, National Education Association of the United States, 1946.

Subjects

Lighting.
Vision.

Physical Description

1 page □., 5-79 pages : illustrations, diagrams ; 23 cm

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