ScientificAmerican1877-12-01.jpg Scientific American 1877-08-18ThumbnailsScientific American 1877-08-18ThumbnailsScientific American 1877-08-18ThumbnailsScientific American 1877-08-18ThumbnailsScientific American 1877-08-18Thumbnails
The Pictet ice machine.



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

Restoration by: magscanner