Owens Dust Counter, no.44, by Casella, London, in

Made:
1960-1969 in London
maker:
C F Casella and Company Limited

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Owens Dust Counter, no.44, by Casella, London, in case with accessories

Details

Category:
Meteorology
Object Number:
1995-1833
Materials:
brass (copper, zinc alloy), cardboard, complete, felt, mahogany (wood), metal plated (unknown), nickel plated, paper (fibre product), steel (metal) and wood composites
Measurements:
box: 5.3 x 33.7 x 12.1 cm
type:
dust counter
credit:
Meteorological Office