Striz Radium Rock (ca. 1930)

This device belongs to a category of devices know as emanators that were placed in water, usually 1-2 gallons, to infuse the water with radon, a radioactive gas.

It is very similar in appearance to the Hammer Radium Activator used in the Radium Water Jar. Whether the Striz Radium Rock originally came in a jar, or whether it was a stand alone device such as the Thomas Cone, is not known.

As a guess, I would say that the radioactive component, either uranium ore or purified radium, was mixed throughout the matrix of the device.

Size:  3.75" diameter, 1.9" high

Exposure Rate: 20 uR/hr above background at one foot

Donated by the State of Michigan courtesy of Theodore Wentworth.


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Last updated: 02/17/09
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