I am continuing this thread from the archived site.
I know of two Simplex High carbon arc projectors that still exist at my university... one is currently in our library fully assembled on display while the other one is in storage. These were installed in our main auditorium around 1940 for the ROTC program. The club kept them running until the early 90s when we were gifted two DP-70s that we still maintain and use to the day. I do not know much about the DP-70s history before 1990, however.
Here is a current photo of the Simplex High on display:
IMG_5726.jpg
I know of two Simplex High carbon arc projectors that still exist at my university... one is currently in our library fully assembled on display while the other one is in storage. These were installed in our main auditorium around 1940 for the ROTC program. The club kept them running until the early 90s when we were gifted two DP-70s that we still maintain and use to the day. I do not know much about the DP-70s history before 1990, however.
Here is a current photo of the Simplex High on display:
IMG_5726.jpg
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