$19.99 Buy It Now or Best Offer
free,30-Day Returns
Seller Store geoelectronics
(1735) 100.0%,
Location: Oak Ridge, Tennessee
Ships to: US,
Item: 296292850850
All returns accepted:ReturnsNotAccepted
GEOelectronics:GEOelectronics
MPN:AS_R
Radiation Detector Type:Scintillation Detector
NO OVERSEAS SHIPPING USA/Canada ADDRESSES ONLY See Google Books, Popular Science June 2007 for an informative article “The First Assassination of the 21st Century” pp. 77 for details of the polonium poisoning by a Russian agent, followed by Theodore Gray’s article on page 86 “Atoms and Eves” featuring a picture of one of my screens glowing under Polonium 210. Note- (C) material used with permission. This item will be shipped in compliance with the rules specified in USPS Publication 52, and will be shipped in a manner compliant with 49 CFR 173.426 Made in USA. We have sold this item for 20 years with all good results . No returns. We cannot guarantee it will work in every application. Vision varies among persons, the best way to view is with a photomultiplier tube. THIS IS NOT RADIOACTIVE. IT DETECTS NATURAL Alpha Particle RADIOACTIVITY IN THE ENVIRONMENT SEE ALPHA RADIATION! See Po-210 Polonium 210 radiation with the naked eye, Time Exposure Film Camera, Photomultiplier Tube or Si photo diode. This 1.5″ screen is mounted in a cardboard frame for hand holding. Place radiation source behind screen in a darkened room and view the scintillations (flashes of light) from the front NOTE: We now can make custom size sheets to fit your application, up to 8 X 10 inches. Made onto a crystal clear substrate with excellent optical and physical properties. Use to make new instruments, line Lucas Cells or repair Alpha Scintillators. Can be cut to shape with scissors. Reasonable prices. Call for quote and a custom eBay ad offering directly to you. ATTENTION Physics / Science Teachers and Instructors PHYSICS DEMONSTRATION, Used to make: Spinthariscope Geiger Scope/ Scintilloscope free instructions included PhotoMultiplier Tube Alpha scintillation detector Lucas Cell (larger custom sizes placed on eBay at your request) EXTREMELY LIMITED QUANTITIES OF THIS ITEM!!** There is now a worldwide shortage of Silver activated Zinc Sulfide. Special Polycrystaline Silver Activated Zinc Sulphide viewing screen with Crystal Clear backing, mounted on cardboard frame. The blue-green glow can be viewed via a magnifying eyepiece, or direct optically. Individual scintillations can be made out with 10X magnification and a good Alpha source, experiment with the distance from the source to the screen for different effects. Add a PhotoMultiplier Tube to create a super sensitive Alpha scintillation detector Same screen material as used in $1000.00 Homeland security detectors, and industrial contamination detectors-Special material on the screen radioluminesces upon being struck by the Alpha particles from a radioactive source As with all Spintahriscopes, best viewing is in a dark room, and time must pass for the eyes to adjust to the dark. Just like we use here at GEOelectronics. Mat Hazzard, the radioactive Pumpkin is NOT INCLUDED. ** EURO’s + POUNDS (cash) OK. Overseas shipping no problem via USPS Airmail >** EURO’s + POUNDS (cash) OK. Overseas shipping no problem via Airmail ITEMS OFFERED FOR SALE: ONE 1.5″ screen on cardboard frame Always put the powder side towards the radioactive source. GEOelectronics made.
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