Two brass dies for impressing slide rule scales by A. G. Thornton.
Details
- Category:
- Mathematics
- Object Number:
- Y1993.41.3
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
die 2: 9 mm x 195 mm x 27 mm,
die 1: 9 mm x 203 mm x 27 mm,
- type:
- die
- credit:
- Gift of Tom Hawthorne