Wollaston slide rule of chemical equivalents
- designer:
- William Hyde Wollaston
Sliding scales of chemical equivalents, has Jan. 1 181 clearly on the bottom and several values inscribed on both scales.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1932-578/3
- Materials:
- wood (unidentified)
- Measurements:
-
overall: 10 mm x 325 mm x 65 mm,
- type:
- slide rule (chemical)
- credit:
- Miss Althea M. Wollaston