they reckon on aircraft gauges of the period, if unshielded by the glass the radiation output from the dial face is around 30x stronger than that of a sealed unit...... i take it the glass is lead crystal or something ? nothing except a huge block of lead will stop the gamma rays... the alpha and beta are a different matter.
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is mos redintegro
__5th Div___46th Div__
1942 Ford Universal Carrier No.3 MkI*
Lower Hull No. 10131
War Department CT54508 (SOLD)
1944 Ford Universal Carrier MkII* (under restoration).
1944 Morris C8 radio body (under restoration).
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