Original Odhner Model 27

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1937
Description

Model 27 has no check dial or counter carry mechanism, but is fitted with a back-transfer mechanism to allow a sum or product to be re-used in a subsequent calculation.

Script Supervised By: Aaron Sylvan
Hardware Type
Calculator
Manufacturer
Odhner
Model Number
27
Launch Date
1937

Citations:

Courtesy of John Wolff's Web Museum
Courtesy of Other Website
Courtesy of Powerhouse Museum
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