Scientific American 1904-03-19.jpg Scientific American 1904-03-12ThumbnailsScientific American 1904-03-26Scientific American 1904-03-12ThumbnailsScientific American 1904-03-26Scientific American 1904-03-12ThumbnailsScientific American 1904-03-26Scientific American 1904-03-12ThumbnailsScientific American 1904-03-26Scientific American 1904-03-12ThumbnailsScientific American 1904-03-26

The base of the Eiffel Tower, showing the apparatus for measuring the pressure of wind.



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

Restoration by: magscanner