C.F. Casella and Co. Ltd cascade type dust grader, 1961-1970
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© The Board of Trustees of the Science Museum
Cascade impacter type grader with canvas case, by C.F. Casella and Co. Ltd, London, England, 1961-1970. Used to grade dust particle sizes from sampled air.
Details
- Category:
- Environmental Science & Technology
- Object Number:
- 1997-1694
- Materials:
- die cast metal, aluminium alloy, steel (metal), rubber (unidentified), canvas and brass (copper, zinc alloy)
- Measurements:
-
overall (in case): 55 mm x 120 mm x 150 mm, .955kg
- type:
- air sampler and case - container
- credit:
- Mr. W. Pope
