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It was first patented on May 11, 1965, by David E. Hansen of Fairport, NY. Hansen was an engineer at Eastman Kodak Company. A patent for the rotary tray was granted in 1966 after a 1962 application by the Eastman Kodak Company.
If you want to know how to use:
- Load The Slide Tray
- Forward And Reverse Slides
- Focus
- Random Projection
- Elevating Foot And Leveling Foot
- Reading Light
- Project Single Slides
- Turn On and Turn Off The Lamp
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