![The overhead projector was invented in 1930. Discover so much more with this infographic on the history… | Interactive classroom, Teacher help, Classroom technology The overhead projector was invented in 1930. Discover so much more with this infographic on the history… | Interactive classroom, Teacher help, Classroom technology](https://i.pinimg.com/1200x/3e/e4/6e/3ee46e7b86f982804e994433437d6471.jpg)
The overhead projector was invented in 1930. Discover so much more with this infographic on the history… | Interactive classroom, Teacher help, Classroom technology
![Shift to Projectors and the Vitoscope | History of Edison Motion Pictures | Articles and Essays | Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies | Digital Shift to Projectors and the Vitoscope | History of Edison Motion Pictures | Articles and Essays | Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies | Digital](https://memory.loc.gov/ammem/vshtml/edison.jpg)
Shift to Projectors and the Vitoscope | History of Edison Motion Pictures | Articles and Essays | Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies | Digital
![Shift to Projectors and the Vitoscope | History of Edison Motion Pictures | Articles and Essays | Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies | Digital Shift to Projectors and the Vitoscope | History of Edison Motion Pictures | Articles and Essays | Inventing Entertainment: The Early Motion Pictures and Sound Recordings of the Edison Companies | Digital](https://www.loc.gov/static/collections/edison-company-motion-pictures-and-sound-recordings/images/vitampsm.jpg)