Ra-Loc 101 GM (ca. 1955) |
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The Model 101 Ra-Loc GM was manufactured by Electronic Development Laboratory Incorporated of Chicago Illinois. It is a very simple unit intended for uranium prospecting. "Ra-Loc," of course, means radiation locator. It has an "ON/OFF" switch, a flashing light to indicate the count rate, and connections for headphones that probably came with the unit but have gone missing with this example.
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