Accession Number: 2004.134.62.14
Description: Black-and-white glossy; over the shoulder view of a boy sitting at a desk using a cubarithm; he wears a long-sleeved plaid shirt; a girl sits at a desk to his left.
Medium: Photographic Paper
Print Size: 3.5 (h) x 5 (w) in.
Date: ca. 1965
Photographer: Unidentified
Credit Line: (see provenance)
Subjects: Instructional aids, tools, and supplies Mathematics Slates Students