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Title: Radiation monitor unit type 1021B (serial no [Go to resource]
Description: Radiation monitor unit type 1021B (serial no. 1528), with one beta probe unit type 1021 (serial no. 1420), one G.M. tube 494 (serial no. 379), one probe lead and one mains lead License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1952-209 Go to resource More Like this...
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