Pulfrich refractometer made by Bellingham & Stanley Ltd (no 564706) in wooden case
- Made:
- 1960s in London
Pulfrich refractometer made by Bellingham & Stanley Ltd (no 564706) in wooden case, c. 1960s
Pulfrich refractometer made by Bellingham & Stanley Ltd (no 564706) in wooden case, c. 1960s