Scientific American, Vol. 91, No. 2 (July 1904)

1904 · 18 pictures

Torpedo · Motor · Patents · Anil · Machine · Scientific American · Preservers · Wilhelms company · Shingle dip · Life preservers · Roof leak · Patent office · American july · Torpedo room · Air cushion · Norris peters

Internet Archive · Public domain (published before 1931) · More from this library