Motion pictures, 1940-1949

by Library of Congress. Copyright Office

© Encyclopaedia Britannica Films, Inc.; 15Dec43; MP14749.

PRINCIPLES OF FLIGHT. Eastman Kodak Co., Teaching Films Division, c1940. 987 ft.

Appl. author: Clarence E. Baer.

© Eastman Kodak Co., Teaching Films Division; 28Nov40; MP10709.

PRINCIPLES OF HOME CANNING. Encyclopaedia Britannica Films, Inc., c1944. 1 reel.

© Encyclopaedia Britannica Films, Inc.; 25Oct44; MP15987.

PRINCIPLES OF RADIO. c1943. 1 reel each. © Encyclopaedia Britannica Films, Inc.

Appl. author: Erpi Classroom Films, Inc.

2. Receiving Radio Messages. © 17Dec43; MP14750.

3. Vacuum Tubes. © 28Dec43; MP14751.