pH meter type D-449-A
pH meter type D-449-A, no. 152936, by Muirhead and Co. Ltd.
- Object Number:
- 1989-929 Pt1
- type:
- ph meter
pH meter type D-449-A, no. 152936, by Muirhead and Co. Ltd., patent 581270, February 1948, with electrodes and tray
pH meter type D-449-A, no. 152936, by Muirhead and Co. Ltd.
Electrodes for pH meter
Tray for pH meter