Are You a Teacher? The Graphoscope for Educational Work
Document type (source)
Press clipping
Creator
Graphoscope
Bibliographie reference
Graphoscope. “Are You a Teacher? The Graphoscope for Educational Work.” Advertisement. Reel and Slide 2, no. 7 (July 1919): 31.
Date
1919
Language
en
Holding institution
Library of Congress
Accession number
PN1993 .M755
Identifier
ark:/17444/31470t
Record last modification date
2025-10-23