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Keywords from Image Description:
Schnelltelegraph Lochstreifen. TypendruckSchnelltelegraph von Siemens Halske Lochstreifen 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 Punched tapes Siemens Telegraphy Telegraph