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Title: Hartman and Braun ammeter no.9382 scaled 0-800A, c.1890 [Go to resource]
Description: Hartman and Braun ammeter no.9382 scaled 0-800A, c.1890 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Temporal: 1890 Source: Science Museum Identifier: 1970-631 Go to resource More Like this...
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