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Scientific American 1902-03-29

ScientificAmerican1902-03-29.jpg Scientific American 1899-12-09ThumbnailsScientific American 1928-10Scientific American 1899-12-09ThumbnailsScientific American 1928-10Scientific American 1899-12-09ThumbnailsScientific American 1928-10Scientific American 1899-12-09ThumbnailsScientific American 1928-10Scientific American 1899-12-09ThumbnailsScientific American 1928-10

Shell practice with modern coast-defense guns in a city armory. The twelve-inch mortar. Rear view of eight-inch gun showing compressed-air attachment and dummy shell. Working model of eight-inch gun in 13th Regiment Armory, Brooklyn New York.



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

Restoration by: magscanner