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Details and Image
Type
Model No.
Maker
Country
Construction
Material
Date
Scale Length
Area of Use
Disk
No. 1 Water Contamination Calculator
B-R-L (Blundell Rules Limited)
England
Plastic
1963
Dia. = 12.7 cm
Nuclear Contamination
Notes:
"1) Used to calculate nuclear contamination of water supplies. Uses milliroentgens and microcurie scales 2) Designed by the Atomic Energy Research Establishment, Harwell, England"
Image 1
Image 2
Image 3
