| 摘要 |
1524933 Slide projectors PENTACON DRESDEN KAMERA-UND KINOWERKE VEB 2 Feb 1977 [4 Feb 1976] 04263/77 Heading G2J In a slide-changing mechanism for a projector, the slide changer 13, 14 and the magazine are both driven by a single motor through a gear train, and one gear-wheel 6 serves to drive a slotted disc 7 for magazine transport and a toothed gear 9 for moving the slide changer. |
