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Summary
| Description |
English: Drawing of a calculator designed by w:John W. Nystrom |
| Date | |
| Source | Project of a New System of Arithmetic, Weight, Measure and Coins, Proposed to be Called the Tonal System with Sixteen to the Base. Philadelphia: J. B. Lippincott, 1862 |
| Author | John W. Nystrom |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:53, 27 May 2008 | | 319 × 220 (18 KB) | Wechselstrom | {{Information |Description= Drawing of a calculator designed by John W. Nystrom |Source= ''Project of a New System of Arithmetic, Weight, Measure and Coins, Proposed to be Called the Tonal System with Sixteen to the Base''. Philadelphia: J. B. Lippinc |
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