ScientificAmerican1897-09-11.jpg Scientific American 1897-09-04ThumbnailsScientific American 1897-09-18Scientific American 1897-09-04ThumbnailsScientific American 1897-09-18Scientific American 1897-09-04ThumbnailsScientific American 1897-09-18Scientific American 1897-09-04ThumbnailsScientific American 1897-09-18Scientific American 1897-09-04ThumbnailsScientific American 1897-09-18
A home-made alternating current dynamo. How to build one without castings.



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

Restoration by: magscanner