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LicensePH meter, type TF511D, made by Marconi Instruments Ltd
Science Museum Group
© The Board of Trustees of the Science Museum
PH meter, type TF511D, made by Marconi Instruments Ltd., (serial no. 723358), battery operated, c. 1950
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1982-844
- type:
- ph meter
- credit:
- MacLachlan, T.
