How do I build a simple hand-cranked film projector?

Very old and original Circa 1920's Movie Graph 35mm film projector. Original paint and unmolested., Mechanism works and appears complete but the back

1920 Movie Graph 35mm Hand Crank Projector

What kind of projectors do movie theaters use and where can I get

ROKR 3D Wooden Puzzles Vitascope for Adults - Model

1909 35mm Floor Standing Movie Theater Hand Crank Projector

Robotime Tech

Robotime Vitascope Mechanical Wood Kit | Assemble a Wooden Vintage Movie Projector | Includes 183 Pieces to Create a Working Reel | Turn Hand Crank to

183pcs Retro Diy 3D Hand Crank Film Projector Wooden Model

DIY 3D Hand Crank Film Projector Wooden Building Assembly Kit Toy

Projector, Home Cinema, Home Theater & HD Projectors

How to Make a DIY Movie Projector For Your Phone

The History of Projection Technology – Lightform

183pcs Retro Diy 3D Hand Crank Film Projector Wooden Model

How to set up a projector - CNET

DIY Movie Projector by Christopher Lawing at