E. P. H. Capron's Patent Improved Turbine Water Wheel.
Hudson NY: Ca. 1872. Capron's turbine water wheel's application for a patent was filed on December 17 1872; it was on display at the Vienna Exhibition in 1873 and at the International Exhibition of 1876. Water wheel advertising card with illustration of the water wheel and wonderful 1870s typeface. Blank at verso. Not dated. 5 x 3". Slt toned at verso of card, pencil numbers at verso, o/w very good. Item #19758
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