Golden Gem Adding Machine Model 15
physical object
Identifier
2024.39.26
Description
The Golden Gem Adding Machine was designed by was designed by Abraham Isaac Gancher, Nobyoshi H Kodama, and Albert T. Zabriskie in 1902-1906. It was a chain adder, that included an 8-digit register on an axle inside the top of the machine, and vertical slots showing a chain belt. On the bottom right there’s a knob that could be turned to reset the register. It was Patented in 1904, 1906, and 1907.
Related Term
Adding Machines (is described by)
External links
1904 patent, Gem predecessor1906 patent, Gem with clearing knob on top axle1907 patent, Gem final design
