61. Pacific Canada (10:36)

Date:
1943
Main contributors:
Erpi Classroom Films Inc., J. Russell Smith
Summary:
Orients Pacific Canada with the rest of the Dominion and the United States. Traces routes of discovery and exploration, and portrays the settling of the region, with emphasis on the part played by climate and by transcontinental and ocean transportation. Other sequences are on fishing, lumbering, agriculture, mining, and smelting.

62. Receiving radio messages (principles of radio - part two) (10:48)

Date:
1943
Main contributors:
Erpi Classroom Films Inc., Wilbur L. Beauchamp, Ph.D., The University of Chicago Physical Sciences Series
Summary:
Through animated drawings, presents the basic principles of radio reception. Explains the function of the variable condenser and emphasizes mutual inductance, self inductance, and resonance. Reveals through simple demonstrations how a crystal detects radio waves, and how an earphone produces audible sound waves.

63. Sound recording and reproduction (sound on film) (11:03)

Date:
1943
Main contributors:
Erpi Classroom Films, Inc.
Summary:
Through animated drawings explains the principles of recording and reproducing sound on film. Through demonstrations reveals the functions of the microphone and the light valve and shows how the motion picture projector reproduces sound from a sound track. An instructional sound film.

78. Foremost : big dip (01:02)

Date:
19uu
Main contributors:
Foremost
Summary:
An advertisement for Big Dip "ice milk" in which an animated man tells an ice cream scoop about the product and the scoop creates a sculpture of the Eifel Tower out of the ice milk.

79. General Electric "Men Helping Man" (01:03)

Date:
19uu
Main contributors:
General Electric
Summary:
An advertisement for General Electric garbage disposals in which an offscreen male narrator describes the disease risk from common houseflies and how the town of Jasper, Indiana eradicated most of their flies through reforming garbage collection and installing GE kitchen disposals. Close-ups of flies and footage of Jasper accompany the narration. Submitted for the Clio Awards.

80. General Electric "Men Helping Man" (01:30)

Date:
19uu
Main contributors:
General Electric
Summary:
An advertisement for General Electric in which actor and Native American chief Dan George talks about the significance of Lake Tahoe to his people. An offscreen male narrator discusses how General Electric's sewage treatment systems allow Lake Tahoe to remain one of the cleanest lakes in the world. Submitted for the Clio Awards.