9049 Calibration Disc Calibrator Radiation and similar items

9049 CALIBRATION DISC CALIBRATOR RADIATION METER GEIGER COUNTER VINTAGE NEW $49 SALE $49 VINTAGE... this came from a nuclear plant so not sure of its application New Old Stock from the 1970s.. Perfectly safe. If somebody knows what this was used with please email me. Thanks Look close and you'll see a mirror that reflects the dots I'm assuming as it spins.. this is really well-made. $99...BE QUICK.. ELAtronics is an asset recovery wholesaler specializing in new and used surplus industrial equipment. ....... We are not a representative of any manufacturer listed; all names, logos, descriptions and other related information are trademarks of their respected companies or manufacturers. All items listed are identified as either new or used and the new may be older surplus. We list all items to the best of our ability and aim to provide the customer with as much information as possible. We are not liable for any products sold, the customer is responsible for proper testing, installation and use of equipment purchased. No warranties are expressed or implied. ...... International Shipping We ship using UPS, FedEx and USPS. Items shipped by UPS and FedEx are more efficient and provide customers with en-route tracking. Items shipped by USPS cannot be tracked . International buyers are responsible for any and all applicable customs, duties, taxes and fees. ..... ****KEEP IN MIND ALL OUR PRODUCTS HAVE NON REMOVABLE TAMPER PROOF HOLOGRAMS AND WE KEEP SERIAL NUMBERS AND DIGITAL PHOTOS OF THE PRODUCT ON FILE! WARANTIES AND RETURNS WILL BE 100% VOID IF THEY ARE REMOVED OR REPLACED WITH NO EXEPTIONS!**** The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item