Direct reading pH meter

Made:
1950-1970 in Richmond and Surrey
maker:
Electronic Instruments Limited
Direct reading pH meter, model 23A

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Direct reading pH meter, model 23A
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:
metal and glass
Measurements:
overall: 4340 x 300 x 250 mm
type:
ph meters
credit:
University College School