Here are some interesting finds on eBay:
https://www.ebay.com/itm/Antique-Vtg-Mid-Century-MSA-35mm-Movie-Film-Projector-Pair-MCM-End-Table/153632282319?hash=item23c53296cf:g:ed8AAOSwB3ddaFhX
https://www.ebay.com/itm/Vintage-Keystone-Moviegraph-198W-Handcrank-35mm-Movie-Projector/153634119452?hash=item23c54e9f1c:g:lGIAAOSwdwRdcrsM
https://www.ebay.com/itm/Vintage-35mm-Simplex-Cine-Projector/223509077115?hash=item340a2ddc7b:g:rEEAAOSw6y5cx7xk