| |||
| chambre photographique à miroir tournant | |||
|
rotating mirror camera : 9 phrases in 4 subjects |
| Cultural studies | 1 |
| Earth sciences | 6 |
| Electronics | 1 |
| Natural sciences | 1 |
| |||
| chambre photographique à miroir tournant | |||
|
rotating mirror camera : 9 phrases in 4 subjects |
| Cultural studies | 1 |
| Earth sciences | 6 |
| Electronics | 1 |
| Natural sciences | 1 |