Contemporary Battery-Powered 4-Cylinder Driveshaft Demonstrator Model theater lighting MM - 106182 - 041023

MM - 106182 - 041023

especially around the edges and screw holes

geometric belt

This piece exhibits some surface-level nicks and scratches that add to its farmhouse charm

Bold red and black printed quarantine notice reading "INFANTILE PARALYSIS KEEP OUT

Contemporary Battery-Powered 4-Cylinder Driveshaft Demonstrator Model theater lighting MM - 106182 - 041023Battery powered mechanical demonstrator model illustrating the operation of a four cylinder engine and driveshaft system. Constructed primarily from finished hardwood, the piece features four simulated cylinder blocks with reciprocating pistons connected via rods to a central crankshaft. As the unit runs, the pistons move in sequence, transferring motion through the crank to demonstrate rotational output. A compact motor housing with a small toggle