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Title: Ratio counter type D4107A made by Labgear, Cambridge, serial [Go to resource]
Description: Ratio counter type D4107A made by Labgear, Cambridge, serial no. S.001, c1955. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: counter Temporal: 1950-1960 Source: Science Museum Creator: Labgear Identifier: 1997-1648 Go to resource More Like this...
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