| Repulsion Motor Principles |
1945 |
20202 Ray-Bell Films |
|
16mm |
|
sound |
| Rotating Magnetic Fields |
1945 |
20202 Ray-Bell Films |
13 min |
16mm |
B&W |
sound |
| Single - Phase And Polyphase Circuits |
1945 |
20202 Ray-Bell Films |
|
16mm |
|
sound |
| Split - Phase Motor Principles |
1945 |
20202 Ray-Bell Films |
|
16mm |
|
sound |
| Squirrel - Cage Rotor Principles |
1945 |
20202 Ray-Bell Films |
|
16mm |
|
sound |