Erpi Classroom Films Inc.

ERPI Films was one of the largest producers of educational films in the 1930's. They were a division of Western Electric, the manufacturing and supply division of the Bell System.

The cultivation and use of the soybean as an illustration of the relation of science to agriculture and the interrelation of science, agriculture, and industry.

Portrays the actions of the esophagus, stomach, small intestine and colon. Shows normal and stimulated stomach movements, such as hypermobility, inhibition and hunger contractions, and pictures such intestinal phenomena as segmentation and peristalsis.

This film from 1943 explains the mysteries of sound recording on film.

This short films see men crafting furniture.