models and measurements
 |
 |
| type 1 | type 3 |
 |
 |
| type 6 | type 8 |
 |
 |
| type 8A | type 9 |
 |
 |
| type 10 | type 11 magneet |
| |
|
| type 1 | type 3 |
| |
|
| type 6 | type 8 |
| |
|
| type 8A | type 9 |
| |
|
| type 10 | type 11 magneet |