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Calculators |
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Machine, Adding - Webb Adder mechanical calculator
"The Adder" by C. H. Webb; a mechanical calculator of unusual shape. Patented November 5th & 12th, 1888. Used by Wm. Machemehl during his County Commissioner years. Numbered 2998 on back. Missing stylus. The Webb Adder, or figure-eight adder, was imitated by a number of brands. The small window where the discs meet shows the total. The large disc is numbered from 00 to 99, and the small disc is numbered from 0 to 40, so together they can tally...
Record Type: Object
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Novelty, Promotional - Novelty calculator
Promotional novelty calculator compliments of McLeod County Historical Society. "Celebrating our 45th Anniversary". Made in China. In original cardboard sleeve.
Record Type: Object
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Novelty, Promotional - Novelty miniature pocket calculator
Promotional novelty miniature pocket calculator from Edward Jones, Patrick J. Chapman, Hutchinson, MN. Blue plastic case; white keys.
Record Type: Object
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Novelty, Promotional - Novelty pocket calculator
Promotional novelty pocket calculator from Goebel Fixture Company, Hutchinson, MN. Black metal; gold lettering; space for name on back; plastic sleeve. Made in Hong Kong.
Record Type: Object
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Novelty, Promotional - Novelty pocket calculator
Promotional novelty pocket calculator compliments of GF Nemitz & Sons, Hutchinson, MN. Black plastic; gold lettering "A World of Thanks". Paper sleeve.
Record Type: Object
