pH meter type D-303-B with spare dip electrode mad

Made:
1940-1950 in Beckenham
maker:
Muirhead and Company Limited

pH meter type D-303-B with spare dip electrode made by Muirhead and Co. Ltd., Beckenham, Kent, 1940-1950

Details

Category:
Experimental Chemistry
Object Number:
1988-617
type:
ph meter
credit:
Smith, F.E.