Filmes da Erpi Classroom Films Inc
- 1933
Electrostatics (1933)
Electrostatics01933HD
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- 1940
Furniture Craftsmen (1940)
Furniture Craftsmen01940HD
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- 1937
The Nervous System (1937)
The Nervous System01937HD
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- 1939
The Soybeans (1939)
The Soybeans01939HD
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- 1938
The Alimentary Tract (1938)
The Alimentary Tract01938HD
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- 1943
Sound Recording and Reproduction (Sound on Film) (1943)
Sound Recording and Reproduction (Sound on Film)01943HD
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