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.
T Fig. . Machine compound de M. J. Boulet coupe transversale des cylindres. fr Machine compound de Boulet coupe transversale des cylindres Figuier Les Merveilles de la science Tome djvu Creator Louis Figuier other versions Custom marker PDold Uploaded with Les Merveilles de la science Tome