Builder's slide rule
- Made:
- London
- maker:
- Aston and Mander
Builder's slide rule, boxwood, 13" x 2 1/2" x 3/16", with one slider, designed and made by Aston & Mander
Details
- Category:
- Mathematics
- Object Number:
- 1952-428
- credit:
- Board of Trade (Standards Department - Weights & Measures)