| 2701635 | Storage file for photographic slides | |||
| 2784817 | Clutch for slide projectors | |||
| 2854888 | Rotary turret for power driven magazine handling slide projector | |||
| 2871760 | Magazine slide changer and shutter for stereo projectors | |||
| 2898807 | Slide changing mechanism | |||
| 2938288 | Slide carrying means | |||
| 2949815 | Preheating means for slide projectors |
| DE608164C |