Langley's Bolometer, 1880-1890

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

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

Details

Category:
Heat
Object Number:
1890-40
Materials:
brass (copper, zinc alloy), leather, plastic (possibly vulcanite), platinum (metal)
type:
measuring device (radiant energy)
taxonomy:
  • measuring devices
  • measuring devices
  • radiometers
credit:
Professor S. P. Langley
status:
Permanent collection

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