Contemporary Battery-Powered 4-Cylinder Driveshaft Demonstrator Model violin 25"D x 40"H

25"D x 40"H

5" W x 2" D x 6" H

signs like this served both as legal enforcement tools and visible community alerts during outbreaks of contagious illnesses such as measles

MM - 111523 - 6287

Contemporary Battery-Powered 4-Cylinder Driveshaft Demonstrator Model violin 25"D x 40"HBattery 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