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Message: MoHMA Radium Card A card sphinthariscope, probably part of an advertisement for a quack medical cure. https://www.mohma.org/instruments/category/radionuclides/radium_card/
Category: Radionuclides Estimated Date: 1915 Name: Radium Card
Description: A card sphinthariscope, probably part of an advertisement for a quack medical cure.
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