1910's - School Museums (1 ene 1910 año – 1 ene 1920 año)
Descripción:
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).
Añadido al timeline:
fecha:
1 ene 1910 año
1 ene 1920 año
~ 10 years