Early Salesman Sample Cable Car Grip by Chicago Model Works button 24" W x 7" H

24" W x 7" H

Within the upper compartment is a single

This sign advertises a line of beer brewed by Jacob Ruppert's New York-based brewing company

(likely) The Crane Company - Chicago

instructional classrooms

Early Salesman Sample Cable Car Grip by Chicago Model Works button 24" W x 7" Hc. 1890s 1900s; Chicago Model Works Chicago, IL Miniature mechanical salesman's model of a cable car grip mechanism, built to illustrate the function of the clamping system used in early cable transit. The riveted metal frame houses a lever actuated linkage that drives a central gripping assembly, mimicking the action of full scale grips used to seize and release a continuously moving underground cable. Dual cylindrical housings flank the central