| MAKING A SIMPLE CORE |
1945 |
Castle Films |
15 min |
16mm |
|
Sound |
| MOLDING PART HAVING A VERTICAL CORE |
1945 |
Castle Films |
19 min |
16mm |
|
Sound |
| Molding with a gated pattern |
1944 |
Office of Education (Department of Health, Education, and Welfare) |
11 min |
16mm |
B&W |
Optical sound |
| Molding with a loose pattern |
1944 |
United States Office of Education |
22 |
16mm |
B&W |
Optical sound |
| MOLDING WITH A SPLIT PATTERN |
1944 |
Office of Education (Department of Health, Education, and Welfare) |
19 min |
16mm |
B&W |
Optical sound |