| WORK OF THE ATMOSPHERE |
1935 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| WORK OF RIVERS |
1935 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
|
| WEATHER |
1942 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| VOLCANOES IN ACTION |
1935 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Velocity of chemical reactions |
1938 |
Erpi Picture Consultants Inc.; Encyclopaedia Britannica Films Inc |
10 min |
16mm |
B&W |
sound |
| SOUND WAVES AND THEIR SOURCES |
1933 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| SENDING RADIO MESSAGES |
1943 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| PROBLEMS OF FLIGHT |
1940 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| Oxidation And Reduction |
1932 |
Encyclopedia Britannica Films |
3:50 |
16mm |
|
sound |
| MOLECULAR THEORY OF MATTER |
1932 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| FUNDAMENTALS OF ACOUSTICS |
1933 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| ELECTROSTATICS |
1933 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Electrons |
1937 |
Encyclopaedia Britannica Films |
0:10:59 |
16mm |
B&W |
sound |
| ELECTRODYNAMICS |
1936 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |
| ELECTROCHEMISTRY |
1937 |
Encyclopaedia Britannica Films Inc |
10 min |
16mm |
|
Sound |
| Colloids. |
1938 |
Erpi Picture Consultants Inc. |
1 reel |
16mm |
B&W |
sound |
| CATALYSIS |
1937 |
Encyclopaedia Britannica Films Inc |
11 min |
16mm |
|
Sound |