© David A. Smart; 16Jul48; MP3715.
THE NATURE OF SOUND. Coronet, c1948. 11 min., sd., b&w, 16mm.
Summary: Using simple experiments and an oscilloscope, a young man explains to a boy of 12 the characteristics of sound. The study of sound begun in this film is continued in "The Sound of Music."
Credits: Collaborator, Ira M. Freeman.
© Coronet Instructional Films, a division of Esquire, Inc.; 18Feb48; MP3105.
NATURE'S ATOM BOMB. General Film Productions Corp., c1946. 1 reel, sd., 35mm. (The Answer Man Series, no. 2)
Credits: Producer, Harry A. Kapit; director, Ben Parker; editor, Charles Senf.
© Universal Pictures Co., Inc.; 3Oct46; MP1156.
NATURE'S NURSERY. Paramount Pictures Inc., c1940. 894 ft., sd. (Paramount Paragraphics)
Credits: Director, John Haeseler; written by Justin Herman; narrator, Will Geer; editor, Leslie Roush.