should I buy this Leica stuff?

[Vanishing Point Ent.]

Which kind of mount is on the projection lens ?
Since it's new in box I don't want to unpack it in
case I'm going to sell it. But if I could use it for something creative on SLR or LF cameras I will
definitely keep it.

There were adapters to allow Leica Projector
lenses to work on with a Kodak Carousel Projector.

[Jerevan]

$900 sounds like a great deal to me! But I have always wanted an R8 kit. Use it a lot!