One of four ready reckoners
- PART OF:
- Selection of four ready reckoners
One of four ready reckoners, for assisting the conversion from L.s.d. to decimal currency, sponsored by the Daily Telegraph newspaper. A circular plastic dial with moveable cursor.
Details
- Category:
- Mathematics
- Object Number:
- 1976-430/1
- Materials:
- plastic, plastic (unidentified) and complete
- Measurements:
-
overall: 1 mm, 110 mm,
- credit:
- Science Museum (Great Britain)
