Direct reading pH meter, model 23A, by Electronic

Made:
1950-1970 in Richmond and Surrey
maker:
Electronic Instruments Limited

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Direct reading pH meter, model 23A, by Electronic Instruments Ltd, Richmond, Surrey [Serial No.237212A].

Details

Category:
Science Teaching
Object Number:
1995-104
Materials:
glass and metal
type:
ph meters and ph meters and
credit:
University College School