Pair of miniature thermometers on ivory scales in

Made:
1800-1850 in London
maker:
John Frederick Newman
and
Dollond family

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Pair of miniature thermometers on ivory scales in mahogany case. One thermometer contains mercury and back of scale is marked "185 J. Newman London"; the other thermometer contains alcohol (stem broken) and back of scale is marked "Dollond London". The case has a brass name plate engraved with the initials "H.D.". Wellcome No. B937

Details

Category:
Heat
Object Number:
1980-207
Materials:
brass (copper, zinc alloy), glass, ivory, mahogany (wood) and mercury
type:
mercury thermometer
taxonomy:
  • furnishing and equipment
  • measuring device - instrument
  • thermometer
credit:
Wellcome Institute

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