- Accession Number:
- 2004.134.62.1-24
- Description:
- 23 black-and-white and color photographs of mathematic educational aids. Negatives only (2004.134.62.24): 1 negative of girl using mathematics slate.
- Medium:
- Photographic Paper
- Credit Line:
- (see provenance)
- Subjects:
- Blind children Education Education research Instructional aids, tools, and supplies Mathematics
