Search results

Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the...

Woodward, Elmer E., "Adjustable Nozzle", issued 1893-05-23, assigned to James Leffel & Company  US patent 583527, Woodward, Amos W. & Woodward, Elmer E., "Governor...

and also installed two vertical steel water turbines, known as "Leffel turbines" or now as Francis Turbines. The mill building also housed a general store...

incorporated into the distillery design in the form of a Leffel Turbine Wheel manufactured by the James Leffel Co New Haven USA which was positioned in the middle...

energy of moving water into rotary power that drove machinery. Leffel’s turbine, and turbines that Poole engineers designed on their own, enable the company...

millstones are on the first floor, powered by a Leffel turbine. A concrete headrace delivers water to the turbine pit. Tuthilltown Gristmill circa 1940 Tuthilltown...

Much of the milling machinery is intact. In the basement are three Leffel turbines: 20, 30 and 40 horsepower. On the first floor are two E.P. Allis roller...

abandoned its second powerhouse on the south bank, and installed two Leffel turbines. The old generators in the first powerhouse were replaced with two...

operation in 1907, with 34-inch Poole & Hunt Leffel Wheels and two 30-inch 500 hp horizontal Samson Turbines capable of an electromotive force of 11,000...

trials to find designs with the greatest efficiency, with the Swain and Leffel wheels attaining the best results. Though Emerson would later discount the...

After a fire in 1840, it was rebuilt by 1844. The mill features a Leffel water turbine installed in 1893. National Register of Historic Places listings...

status as a listed building. The mill is powered by a Leffel Double Turbine Waterwheel Turbine, which was installed by William George Patterson in 1920...