Nitrogen filled mercury thermometers
- maker:
- F W Johnston and Daughter
Nitrogen filled mercury thermometers, glass, scale 0-400 degrees centigrade, by F. W. Johnston and Daughter, Hendon, 1950-1978
Details
- Category:
- Clinical Diagnosis
- Object Number:
- 1979-670/4
- Materials:
- fittings, mercury and glass
- type:
- thermometers
- credit:
- Johnston, F