Originally posted by stupify12
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Try this...... a simple self buzzer. If I have read your post correctly??
Please excuse the very crude and hastily made drawing
Cheers Grum.

I can detect alpha,beta and partially x-rays but for gamma and neutron I'm out. The test is simple but require photographic paper not common nowadays and a black envelope. just put paer with glued metal sheet in choosen shape into black envelope and after some time that shape should be encoded into photopaper via radiation.
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