Scientific American, Vol. 71, No. 9 (September 1894)

1894 · 14 pictures

Water · Feet · Niagara · Munn · Scientific American · Temperature · Cold water · Canal boat · Freezing point · Niagara river · Upper lakes · Express money · Perspective elevation · Postal union · Black ball

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