Playing with Americium

    A little experiment with the americium source from an old ionization smoke detector.

    I think the exposures were 15 minutes and 1 hour. The smaller spots were with the source resting on top of the film. The larger one was with the source taped to the inside of the ‘dark box’, about 1 inch away. The film is regular x-ray film, which is just normal film with 2 layers of emulsion. It has no special x-ray sensitivity.

    I now have a Kodak Aero Ektar lens with thorium glass. It appears to be quite a bit more active than the americium. I’ll have to give it a try sometime.



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