Koeth Collection – Radiation Detection Instruments Koeth Collection – Radiation Detection Instruments Author: Tim Tim’s “Koeth Collection” began at age 10 with his first CDV-715 Civil Defense ion chamber. The collection has over 100 “antique” radiation detection instruments which are all on display at the University of Maryland. Cabinets #1 & #2 Cabinets #3, #4, & #5. Cabinet #3 Cabinets #4 & #5 Cabinet #5 The Precision Instrument Company’s line of prospecting instruments. The bottom shelf are where all the cutie-pie’s hang out. The Classmaster. A dekatron tube based scalar ratemeter, and lead shield for GM tube. Cabinet #3 open, US and German military instruments. Oremaster and Radiac units. Pocket dosimeters, R-Chambers, assorted GM tubes and scintillation crystals More dosimeters. A chemical dosimeter – 450 Roentgens (yikes!) All variations on the CDV-700 theme. The Nucleus scalar and GM tubes. CDV-700 & CDV-705 speaker These are special to Tim, see next pic for explanation. Click on the image to learn about the “Piscataway Radium Incident.” Civil Defense Instruments Civil Defense Instruments Civil Defense Instruments: CDV-138 pocket dosimeters Civil Defense Instrument: CDV-700 & 705 Civil Defense Instrument: CDV-700 Civil Defense Instrument: CDV-717 Civil Defense Instrument: CDV-717 Civil Defense Instrument: CDV-720 Civil Defense Instrument: CDV-720 Civil Defense Instrument: CDV-746 home dosimeter and ratemeter Civil Defense Instrument: CDV-755 Civil Defense Instruments Civil Defense Instrument Civil Defense Instrument: CDV-787, a can of Uranium epoxied to create a standard which to compare you contaminated drinking water with. Victoreen Cutie Pie CDV-700 knock off. Model 3007 Civil Defense pocket dosimeters and chargers. Civil Defense Instrument: FCDA CDV-700 Civil Defense Instrument: FCDA CDV-720 CDV-700 knock off G E Smith & Associates Model GS-500A Ludlum model 3 with 44-7 end window GM. Ludlum model 5 Geiger Counter Ludlum model 9 ion chamber Ludlum Model 2220 with 44-3 NaI probe. A real antique, Beckman MX-2, circa 1948 Beckman MX-5 of the 1950’s Beckman MX-5 of the 1950’s El-Tronics’ pocket Sized Geiger Counter El-Tronics SM-3 Beta Gamma Survey meter. El-Tronics SM-3 Beta Gamma Survey meter. Tracerlab’s Model 5UIH Cutie Pie style ion chamber Variation’s on a theme: CDV-700 Variation’s on a theme: CDV-700 Victoreen 480 Ion Chamber Victoreen Panoramic (Cutie Pie) ion chamber.