Portable Aitken type Dust Counter, 1900-1908
- Made:
- 1900-1908 in United Kingdom
- designer:
- John Aitken
- maker:
- Unknown
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Science Museum Group
© The Board of Trustees of the Science Museum
Portable Aitken type dust counter in wood and leather case, designed by Dr. John Aitken, unsigned, British, 1900-1908. The original bulky instrument was used at the Observatory on top of Ben Nevis in Scotland.
Contained in a case 'the size of a well-filled cigar case'. A piston action drew air into the test chamber, which was full of supersaturated air. The dust in the test sample formed nuclei for the water in the chamber to coalesce around, forming drops that could then be counted.
Details
- Category:
- Meteorology
- Object Number:
- 1908-193
- Materials:
- brass (copper, zinc alloy), glass, leather, silk, velvet and wood (unidentified)
- Measurements:
-
overall (case closed): 38 mm x 140 mm x 75 mm, .29kg
- type:
- case - container
- taxonomy:
-
- furnishing and equipment
- measuring device - instrument
- measure - volume
- furnishing and equipment
- container - receptacle
- credit:
- Mr. J. Aitken.
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Data in the title, made, maker and details fields are released under Creative Commons Zero
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