Cambridge Instrument Company pH meter patent no.396817

Made:
1956
maker:
Cambridge Scientific Instrument Company Limited

Cambridge Instrument Company pH meter patent no.396817, serial no. L.330947, with maker's test certificate dated 31 December 1956 and instruction book

Details

Category:
Experimental Chemistry
Object Number:
1994-185
type:
ph meter
credit:
St.George,D.