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Dust-in-liquid Opacity Meter, 1971-1980
- Made:
- 1971-1980 in United Kingdom

Dust-in-liquid opacity meter, used with British Standard directional dust deposit gauges, unsigned, British, 1971-1980. Used at the Transport Research Laboratory based in Crowthorne, near Wokingham, Berkshire.
Details
- Category:
- Environmental Science & Technology
- Object Number:
- 1997-1805
- Materials:
- metal (unknown), plastic (unidentified), copper (metal) and electronic components
- Measurements:
-
overall: 235 mm x 285 mm x 245 mm, 4.545kg
- type:
- meter
- credit:
- Transport Research Laboratories Limited