Todd Visible Adding Machine - 1926
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| "Here is a GIF of information about Todd Visible, scanned from
"The Business Machines and Equipment Digest", 1927, by Equipment-Research
Corporation. Copies of Todd Visible user manual are sold by Ernie Jorgenson." Source: Courtesy of Timo Leipala |
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| "Made by the Todd Visible Adding Mach,Co and patent
date 1921,this old forerunner of the modern calculator is in excellent condition,It has a
fold over cover when not in use.9 rows of numbers 0 - 9,with keys to clear and total.
Weight 8 lbs." Courtesy of: Emery J. Pendleton |
