Ready reckoner (currency)
- PART OF:
- Selection of four ready reckoners
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Science Museum Group
© The Board of Trustees of the Science Museum
One of four ready reckoners, for assisting the conversion from L.s.d. to decimal currency, sponsored by the Daily Telegraph newspaper. A paper and card dial with moveable cursor, namely the prototype for ready reckoner 1976-430/1.
Details
- Category:
- Mathematics
- Object Number:
- 1976-430/4
- Measurements:
-
overall: 1 x 115 mm
- credit:
- Science Museum (Great Britain)
