- Usage
- Public Domain Mark 1.0
A drop of water is studied under a microscope. Shows rotifers, protozoa, cilia, paramecia, bristle worms, and small snails. Describes the cilia's reproductive processes and the amoeba's digestion.
National Archives Identifier: 12347
Local Identifier: 69.33
* Creator(s): Federal Works Agency. Work Projects Administration. (07/01/1939 - 06/30/1943) (Most Recent)
* From: Series : Motion Picture Films, compiled 1931 - 1937
* Record Group 69: Records of the Work Projects Administration, 1922 - 1944
* Level of Description: Item
* Type(s) of Archival Materials: Moving Images
* This item's copyright was established: 1931
The creator compiled or maintained the series between: 1931 - 1937
* Production Series: Title: Bringing the World to the Classroom
* General Note(s): Credits: Narration, Ralph Waldo Minor.
* Contributor: Producer, Electrical Research Products, Inc.
* Use Restriction(s): Undetermined
Sound Type: Sound
* Accession Number(s): 330
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