| What Makes Day And Night |
1947 |
Dist Now By McGraw Hill |
4:00 |
16mm |
|
sound |
| What Is Sound |
1949 |
Dist Now By McGraw Hill Leonard Peck Productions |
|
16mm |
|
sound |
| We Make Butter |
1949 |
Dist Now By McGraw Hill |
4:00 |
16mm |
|
sound |
| Water Works for Us |
1949 |
McGraw-Hill |
360 |
16mm |
|
sound |
| WATER IN THE WEATHER |
1960 |
|
16½min |
16mm |
B&W |
Sound |
| TREES—OUR PLANT GIANTS |
1960 |
|
14 min |
16mm |
B&W |
Sound |
| Transfer Of Heat |
1949 |
Dist Now By McGraw Hill |
|
16mm |
|
sound |
| THE SUN'S ENERGY |
1960 |
|
16½min |
16mm |
B&W |
Sound |
| Solids, Liquids And Gases |
1949 |
Dist Now By McGraw Hill |
10 min. |
16mm |
B&W |
sound |
| Airplanes And How They Fly |
1967 |
Centron |
|
16mm |
|
sound |