Two Dividing Master Scales
- Made:
- 1960-1965 in United Kingdom
- maker:
- A G Thornton Limited
Two dividing master scales for 20-inch slide rules by A. G. Thornton Ltd.
Details
- Category:
- Mathematics
- Object Number:
- Y1993.41.7
- Materials:
- metal (unknown) and wood (unidentified)
- Measurements:
-
metal scale: 18 mm x 610 mm x 36 mm,
wooden scale: 23 mm x 742 mm x 40 mm,
- type:
- scale - rule
- credit:
- Gift of Tom Hawthorne