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Title: Portable electrocardiograph machine, all-mains model, No. C2 [Go to resource]
Description: Portable electrocardiograph machine, all-mains model, No. C288771, by the Cambridge Instrument Co. Ltd, 1940 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: electrocardiograph machines Temporal: 1940 Source: Science Museum Creator: Cambridge Instrument Company Limited Identifier: 1979-203 Go to resource More Like this...
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