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Title: Continuous-trace indicator with six pressure cylinders, 1950 [Go to resource]
Description: Continuous-trace indicator with six pressure cylinders, 1950-1960 manufacture in crate with fittings and 6 rolls of paper License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1950-1960 Source: Science Museum Identifier: 1993-117 Go to resource More Like this...
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