Ordinary mercury thermometer, 1875-1901
- Materials:
- glass , mercury and ceramic (unspecified)
- Object Number:
- 1995-991/1
- type:
- mercury thermometer
Two ordinary mercury-in-glass absolute thermometers with white ceramic frames, made by Negretti & Zambra and with serial numbers 19052 and 19054. Marked KO [Kew Observatory]. Scale 245 to 325 degrees