John Wolff's Web Museum - Rebuilding the Odhner 127
- The Odhner 127 is a relatively simple and straightforward machine, and is an ideal place to learn the principles on which all pinwheel calculators are based.
- The notes have been prepared and refined during the rebuilding of a significant number of Odhner machines,
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- The Odhner 127 is a relatively simple and straightforward machine, and is an ideal place to learn the principles on which all pinwheel calculators are based.
- The notes have been prepared and refined during the rebuilding of a significant number of Odhner machines,
Sources: Johnwolff