1910's - School Museums (1 gen 1910 anni – 1 gen 1920 anni)
Descrizione:
The School Museums "served as the central administrative unit(s) for visual instruction by (their) distribution of portable museum exhibits, stereographs (three-dimensional photographs), slides, films, study prints, charts, and other instructional materials" (Reiser: "Part I," 2001, pg. 55).Aggiunto al nastro di tempo:
Data:
1 gen 1910 anni
1 gen 1920 anni
~ 10 years