Sketch of a decimal counting apparatus.
![Sketch of a Decimal Counting Apparatus](https://coimages.sciencemuseumgroup.org.uk/214/418/medium_bab_a_63_0002_sketch_of_a_decimal_counting_apparatus__plan__elevations__description_1838.jpg)
Dimensions: 99 cm x 62 cm
Details
- Identifier:
- BAB/A/063/1
- Access:
- Open Access
- copyright:
-
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