The Amazing GO Single Tube Gamma Ray / CCL Tool

Antique GO One Tube Gamma Ray / CCL Tool

GO Perforator Supply, Inc. December 27, 1960 Schematic

The old GO single tube Gamma Ray / CCL tool gets our vote as the most amazing design for a radiation logging tool ever created.  GO managed to make the high voltage to run the Geiger-Mueller tube; process the pulses and drive the line; and even run the CCL with a single Western Electric 407A miniature vacuum tube.  The tool pictured above is a 1-7/16 inch version and still works; it was previously the property of our old friend Gene Burgener of southern Illinois.  Gene loved these tools (he had several) and continued to use them up until his untimely passing a few years ago.

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Last 10-20-10