Three Military Radiac Radiation Calculators Nuclear Atom Bomb Atomic NBC CBR
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Three Military Radiac Radiation Calculators Nuclear Atom Bomb Atomic NBC CBR:
$43.70
Three Military Radiac Radiation Calculators
Good used condition. Almost mint.
These are plastic circular slide rules that were used to calculate radiation dose rates in a nuclear war.
The calculators have reversible scales for use on land or at sea.