TRAUMATIC SHOCK. III. A MODIFIED ELECTROSCOPE ESPECIALLY SUITED FOR MEASURING SUBSTANCES WITH LOW ENERGY RADIATION

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Abstract
A modification which increases the sensitivity of the Lauritsen electroscope is described. This makes it possible to measure the soft radiation from radioactive sulfur with an accuracy comparable to that of Geiger-Muller counters constructed for the same purpose. Other radioactive elements may also be measured with this instrument. It is expected that this simple instrument will be particularly useful to biological investigators unable to procure and maintain in continuous running order the more complicated Geiger-Muller counter.