| Principal Dimensions, Reference Surfaces And Tolerances |
1945 |
20202 Atlas Educational Film Co |
|
16mm |
|
sound |
| Reading A Drawing Of A Valve Bonnet |
1944 |
20202 Atlas Educational Film Co |
|
16mm |
|
sound |
| Reading A Three - View Drawing |
1945 |
U S Office Of Education |
|
16mm |
|
sound |
| Visualizing An Object |
1945 |
20202 Ray-Bell Films |
|
16mm |
|
sound |