ScientificAmerican1875-07-10.jpg Scientific American 1875-07-03ThumbnailsScientific American 1875-07-17Scientific American 1875-07-03ThumbnailsScientific American 1875-07-17Scientific American 1875-07-03ThumbnailsScientific American 1875-07-17Scientific American 1875-07-03ThumbnailsScientific American 1875-07-17Scientific American 1875-07-03ThumbnailsScientific American 1875-07-17

Hanson's flanging machine [for making flanges on boilers etc.]. New's duplex wheel lathe.