The sound motion picture in science teaching
Subtitle: by Phillip Justin Rulon ...
Series: Harvard studies in education ...; v. 20
Publisher: Harvard University Press
Published: 1933
Place of publication: Cambridge
Language: eng
Number of pages: 236
Subjects: Science -- Study and teaching.; Motion pictures in education.; Silent films.
Notes: Bibliography: p. 109-110.
"The investigation was conducted jointly by the Graduate school of education and the University film foundation at Harvard University."--p. ix.