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.

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Cambridge Instrument Company pH meter patent no.396817

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