ScientificAmerican1877-07-14.jpg Scientific American 1877-07-07ThumbnailsScientific American 1877-07-21Scientific American 1877-07-07ThumbnailsScientific American 1877-07-21Scientific American 1877-07-07ThumbnailsScientific American 1877-07-21Scientific American 1877-07-07ThumbnailsScientific American 1877-07-21Scientific American 1877-07-07ThumbnailsScientific American 1877-07-21

Bower's patent air compressor.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner