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1 Results for "《〈 문의 OIO↗5793↗7458 》〉 강남셔츠룸초콜릿ヘ 선릉초콜릿maiden초콜릿셔츠룸초콜릿셔츠룸초콜릿셔츠룸secret 초콜릿셔츠룸㎮ ▩강남초콜릿초콜릿셔츠룸immortal"
$15 Geiger-Muller Counter for Beta/Gamma/XRay
Project
by
GH
An inexpensive Geiger counter that can detect several kinds of ionizing radiation using a surplus Soviet tube and a one-use camera circuit
90
9