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Henning Calvr Acta. Henning Calvr Acta HistoricoChronologicoMechanica circa metallurgiam in Hercynia superiori Henning Calvr Autor vor mehr als Jahren verstorben PDold Original upload log de Ireas CommonsHelper page de HenningCalv BrActa Tetris bytes no Information Auszug aus dem Buch Acta HistoricoChronologicoMechanica