PH meter by Doran Instrument Co. Ltd.
PH meter by Doran Instrument Co. Ltd., Stroud, Gloucester [Patent No. 593920, Serial No 3533], with notes and manual
Details
- Category:
- Science Teaching
- Object Number:
- 1995-107
- Measurements:
-
overall: 300 x 280 x 460 mm
- type:
- ph meters
- credit:
- University College School
