overall: 5.2 cm x 55 cm x 5.2 cm; 2 1/16 in x 21 21/32 in x 2 1/16 in
Object Name:
Differential Analyzer Component
Place made:
United States: Massachusetts, Cambridge
Date made:
ca 1930
Description:
On this steel shaft, gears in two sizes are attached to rings and lined up on the shaft as in 1983.3002.05. Some gears are marked with numbers. Some are marked: BOSTON. the mark refers to the products of the Boston Gear Works.
Parts of the Bush differential analyzer at NMAH have museum numbers MA.314824 and 1983.3002.01 through 1983.3002.89.