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1902

Sault Ste. Marie Hydroelectric Complex
Society: ASCEMain Category: CivilSub Category: Power GenerationEra: 1900-1909DateCreated: 1902Salmon Run WaySault Ste. MarieState: MIZip: 49783Country: USAWebsite: http://www.asce.org/project/sault-ste--marie-hydroelectric-power-complex/Creator: Modjeski, Ralph , Noble, Alfred

Located at the northern tip of Michigan where Lake Superior, Lake Michigan, and Lake Huron join together, the Sault Ste. Marie Hydroelectric Power Complex was built to harness the hydroelectric potential of the  20-foot falls at the headwaters of the St. Marys (sic) River, the sole outlet of Lake Superior. A century after its construction, the  plant remains the largest low-head hydroelectric facility in the United States. Today, the Sault Ste. Marie plant supplies electricity to area residents, especially those in the Upper Peninsula of Michigan.

YearAdded:
1983
Image Credit: Courtesy Flickr/Madison Berndt (CC BY 2.0)Image Caption: Sault Ste. Marie Hydroelectric ComplexEra_date_from: 1902
Rockville Stone Arch Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1900-1909DateCreated: 1902Susquehanna RiverMarysvilleState: PAZip: 17053Country: USAWebsite: http://www.asce.org/Project/Rockville-Stone-Arch-Bridge/

The third bridge built on the same site to carry railroad tracks across the Susquehanna River just north of Harrisburg, Pennsylvania, the Rockville Stone Arch Bridge, at 3,820 feet long and 52 feet wide, is believed to be the longest and widest stone-arch railroad bridge in the world. A central link in rail travel between New York City and Pittsburgh, the Rockville Stone Arch Bridge accommodates four lines of railroad tracks, today serving both the Norfolk Southern and Amtrak lines.

YearAdded:
1979
Image Credit: Courtesy Flickr/John Mueller (CC BY 2.0)Image Caption: Rockville Stone Arch BridgeEra_date_from: 1902
Pin-Ticketing Machine
Society: ASMEMain Category: MechanicalSub Category: RetailEra: 1900-1909DateCreated: 1902Monarch Marking SystemsMiamisburgState: OHZip: 45342Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/retail/-150-pin-ticketing-machine-%281902%29, https://www.asme.org/getmedia/46f6b343-2c49-45b9-b18e-ee8784c1b49b/150-Pin-Ticketing-Machine-1902.aspxCreator: Kohnle, Frederick

This was the first successful machine for mechanizing the identification and price marking of retail merchandise. At a single stroke of the operating handle, the machine formed a tag from a roll of stock, imprinted it with price and other information, formed a wire staple, and stapled the tag to the merchandise. This means for dispensing with handmade and written tags amounted to a minor revolution in the then rapidly expanding retail industry.

YearAdded:
1990
Image Credit: Courtesy ASMEImage Caption: Pin-Ticketing MachineEra_date_from: 1902
Cortland Street Drawbridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1900-1909DateCreated: 1902 RiverChicagoState: ILZip: 60642Country: USAWebsite: http://www.asce.org/Project/Cortland-Street-Drawbridge/Creator: Ericson, John , Wilmann, Edward

In 1899, engineers from the City of Chicago's Division of Bridges and Viaducts performed a survey of moveable bridge design in the U.S. and Europe. Their study led to the conclusion that the unusual trunnion bascule design would best meet their needs.

YearAdded:
1981
Image Credit: Courtesy Flickr/Matthew Black (CC BY-SA 2.0)Image Caption: Cortland Street DrawbridgeEra_date_from: 1902
Society: ASMEMain Category: MechanicalSub Category: Materials Handling & ExcavationEra: 1900-1909DateCreated: 1902Hancock Historical MuseumFindlayState: OHZip: 45840Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/materials-handling-and-excavation/-133-buckeye-steam-traction-ditcher-%281902%29Creator: Hill, James

During the post-Civil War era, efforts to cultivate the land for higher crop yields resulted in the digging of thousands of miles of ditches to improve land drainage. Accurately graded ditches were needed for open drainage, pipeline trenches and placement of underground agricultural drainage tile. Teams of skilled workers laid out the direction and gradient of a ditch and dug it out with pick and shovel. The Black Swamp area, where Lake Erie drains into northwest Ohio and southeast Michigan, was the center of much of the U.S. ditching activity.

YearAdded:
1988
Image Caption: Buckeye Steam Traction DitcherEra_date_from: 1902
Michigan-Lake Superior Power Hydroelectric Plant
Society: ASMEMain Category: Electric, MechanicalSub Category: WaterEra: 1900-1909DateCreated: 1902Michigan-Lake Superior Power Hydroelectric PlantSaulte Sainte MarieState: MICountry: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-a-l/electric-power-production-water/-61-michigan-lake-superior-power-hydroelectric-pla, https://www.asme.org/getmedia/9a6fbefb-8d74-4a9d-aaec-f5838421d7e4/61-Michigan-Lake-Superior-Plant.aspxCreator: Clergue, Francis, von Schon, Hans A.E.

This low-head operating plant is representative of nineteenth-century hydropower-plant practice using many small turbines in contrast to twentieth-century use of few large turbines and generators. Its 40,000 horsepower capacity made it the largest in the country using turbines of American design (McCormick-Francis). The contemporary and larger Niagara installation used turbines of French design (Fourneyron). The entrepreneur of this plant was Francis Clergue, a lawyer, who employed as his chief engineer Hans A.E. von Schon, a German immigrant who had served with the U.S.

YearAdded:
1981
Image Credit: Courtesy ASMEImage Caption: Michigan-Lake Superior Power Hydroelectric PlantEra_date_from: 1902
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