THORNTON-PICKARD IMPERIAL TRIPLE EXTENSION CAMERA F Deckel-Munchen COMPUR Lens

Description

THORNTON-PICKARD “IMPERIAL” TRIPLE EXTENSION CAMERA.
Item came to me in this condition, I can try to answer questions but have never used a camera like this.
I put the plate on the back but couldn’t figure out how the other 3 parts and lens fit. Might new more parts.