This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
MR. DARRAC'S PATENT. des Machines et Procds Specifies dans les Brevets d'Invention de Perfectionnement et d'Importation pg Christian Directeur du conservatoire Royal Arts et Mtiers PDold Original upload log en ftcg page en MR DARRAC'SPATENT June bytes Boksfaller en no publicdomain item using File Upload Wizard Franois