The accompanying engravings represent a horizontal, center-vent water wheel invented by James Martin, of Florence, Ala , which is now in use by the patentee, driving a cotton mill, and working in ...

The following article presenting the modus operandi for calculating the power of the Parker Water Wheel, is from J. Sloan Esq., of Sloan's Mills, of Floydsburgh. Shelby Co., Ky., who since we ...