Vintage Marine Engine Valve & Propeller Motion Demonstrator by Clarence E. Long redpaint 17" W x 9" D

17" W x 9" D x 8" H

Northampshire

MM - C-8652 - 041924

Movement/Style: Minimalist

Baby Dumpling

Vintage Marine Engine Valve & Propeller Motion Demonstrator by Clarence E. Long redpaint 17" W x 9" Dc. 1930s; Clarence E. Long Marine Engineering School Milwaukee, Wisconsin Mechanical marine engineering demonstrator constructed as an instructional display to illustrate the relationship between propeller rotation and internal valve or linkage motion. Mounted on a painted wooden backboard with integrated base and carry handle, the piece features a brass and steel linkage assembly connected to a small metal propeller. Turning the propeller drives the