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"Arithmetical medal and numerical pocket piece" by I. Maddux
Details
- Category:
- Mathematics
- Object Number:
- 1995-1617
- Materials:
- brass (alloy)
- Measurements:
-
overall: 45 x 2 mm diameter, 0.03kg
- type:
- ready reckoner and ready reckoners
- credit:
- Tesseract