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Keywords from Image Description:
Dynamomaschine von Siemens Halske. Dynamomaschine von Siemens Halske Dynamo by Siemens Halske Bibliothek allgemeinen und praktischen Wissens fr Militranwrter Band III Deutsches Verlaghaus Bong Co Berlin Leipzig Wien Stuttgart Scan made by Kogo Public Domain because copyright expired PDold Bipolar dynamos SiemensHalske