Langley's 'Great' Bolometer, 1880-1890

Made:
1880-1890 in Allegheny City
inventor:
Samuel Pierpont Langley
and
Samuel Pierpont Langley
and
SMG00051833

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SMG00051833
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'Great' bolometer, for detecting and measuring radiant heat, invented and made by S. P. Langley, 1880-90, and used by him at Allegheny Observatory, Pennsylvania, United States.

Details

Category:
Heat
Object Number:
1890-39
Materials:
brass (copper, zinc alloy), plastic (possibly vulcanite), platinum (metal) and wood (unidentified)
type:
measuring device (radiant energy)
taxonomy:
  • measuring devices
  • measuring devices
  • radiometers
credit:
Professor S. P. Langley