World War II (19 St. 56 Min, 1 Jun 1943 Jahr – 10 St. 20 Min, 30 Jun 1945 Jahr)

Beschreibung:

With the onset of World War II, the growth of the audiovisual instruction movement in the schools slowed; however, audiovisual devices were used extensively in the military services and in industry (Seattler, 1990).

Zugefügt zum Band der Zeit:

23 Okt 2017

344

Instructional Timeline

Datum:

19 St. 56 Min, 1 Jun 1943 Jahr

10 St. 20 Min, 30 Jun 1945 Jahr

~ 2 years