| 1. | No later than 1890, he combined his moving-picture projector with his talking machine .
不迟于1890年，他就把他的电影放映机和他的会说话的机器结合起来。 |
| 2. | The phototube, a very special type of electron tube, is the heart of the talking-picture projector .
光电管，一种非常特殊的电子管，是有声电影放映机的心脏。 |
| 3. | Technical specifications of 35mm motion - picture projectors
35mm电影放映机技术条件 |
| 4. | Technical specifications of 16mm motion - picture projectors
16mm电影放映机技术条件 |
| 5. | 35 mm motion picture projector alignment test films
35mm电影放映机调准试验片 |
| 6. | 16 mm motion picture projector alignment test films
16mm电影放映机调准试验片 |
| 7. | Spindle for 16mm motion picture projector reels - dimensions
16mm电影放映机片轴尺寸 |
| 8. | 35 mm and 16 mm motion picture projector travel ghost test films
35mm及16mm电影放映机行迹检验片 |
| 9. | One who operates a movie projector
电影放映员操作电影放映机者 |
| 10. | Photography - projectors - image size projection distance calculations
摄影技术.电影放映机.影像大小放映距离的计算 |
