C. Hoare's pocket plate and bar slide rule
C. Hoare's pocket plate and bar slide rule, for iron & steel calculations, boxwood, with one slider, made by Aston & Mander
Details
- Category:
- Mathematics
- Object Number:
- 1952-427
- Materials:
- box (wood) and brass (copper, zinc alloy)
- Measurements:
-
overall (flat): 7 mm x 338 mm x 6 mm, 0.106 kg
- type:
- slide rule (hoare)
- credit:
- Board of Trade (Standards Department - Weights & Measures)