Image:Nystrom Tonal Clock.png
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Nystrom_Tonal_Clock.png (440 × 409 pixels, file size: 191 KB, MIME type: image/png)
[edit] Summary
| Description |
Hexadecimal "Tonal Watch, or Clock-dial" 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. Lippincott, 1862 |
| Date |
1862 |
| Author |
John W. Nystrom |
| Permission (Reusing this image) |
See below. |
[edit] Licensing:
 |
This image is in the public domain because its copyright has expired in the United States and those countries with a copyright term of no more than the life of the author plus 100 years. |
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 21:26, 27 May 2008 | 440×409 (191 KB) | Wechselstrom (Talk | contribs) | ({{Information |Description= Hexadecimal "Tonal Watch, or Clock-dial" 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''. Philadelp) |
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