Scientific American 1913-07-12.jpg Scientific American 1899-11-04ThumbnailsScientific American 1915-03-13Scientific American 1899-11-04ThumbnailsScientific American 1915-03-13Scientific American 1899-11-04ThumbnailsScientific American 1915-03-13Scientific American 1899-11-04ThumbnailsScientific American 1915-03-13Scientific American 1899-11-04ThumbnailsScientific American 1915-03-13
The Reflector--the telescope of the future. Design of a five-foot reflecting telescope, showing how compact is the entire installation.



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

Restoration by: magscanner