English letter balance, equal arm roberval type on porcelain base, with single disc one oz weight, early 20th century
Details
- Category:
- Weighing & Measuring
- Object Number:
- 1997-2014
- Materials:
- brass, pan & scale and base, porcelain
- Measurements:
-
overall: 90 x 180 x 120 mm
- type:
- postal scales and counter scales
- credit:
- Manchester Science Museum