ScientificAmerican1893-03-18.jpg Scientific American 1891-10-31ThumbnailsScientific American 1894-06-09Scientific American 1891-10-31ThumbnailsScientific American 1894-06-09Scientific American 1891-10-31ThumbnailsScientific American 1894-06-09Scientific American 1891-10-31ThumbnailsScientific American 1894-06-09Scientific American 1891-10-31ThumbnailsScientific American 1894-06-09
Improvements in Boston Harbor. Retaining wall.



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

Restoration by: magscanner