Hydrometer marked O or W at top, M at 32, 45 at bottom of stem scale

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Hydrometer marked O or W at top, M at 32, 45 at bottom of stem scale, glass and mercury

Details

Category:
Meteorology
Object Number:
1995-1819
Materials:
complete, glass, mercury, paper (fibre product), wax
type:
hydrometer hydrometer
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • densimeter
credit:
Meteorological Office
status:
Permanent collection

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