Langley's 'Great' Bolometer, 1880-1890
- Made:
- 1880-1890 in Allegheny City
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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:
- wood (unidentified), platinum (metal), brass (copper, zinc alloy) and plastic (possibly vulcanite)
- Measurements:
-
overall: 115 mm x x , 180 mm, 2.795kg
- type:
- bolometer and measuring device (radiant energy)
- credit:
- Professor S. P. Langley
