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Engineering Innovations

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Sault Ste. Marie Hydroelectric Complex Sault Ste. Marie Hydroelectric Complex
Sault Ste. Marie, MI
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…
Charles Herty Savannah Pulp and Paper Laboratory (Charles Herty)
Savannah, GA
When Georgia chemist Charles Holmes Herty found a way to make quality paper from pine trees in 1932, he also founded an industry that brought much-needed jobs to the depression-…
Scoates Hall, TAM Scoates Hall, TAM
College Station, TX
Scoates Hall 1932 A Historic Landmark of Agricultural Engineering Named for Daniels Scoates Designer of this Building Professor and Head Department of Agricultural Engineering…
Second Street Bridge Second Street Bridge
Allegan, MI
The Second Street Bridge is a simply ornamented, wrought-iron structure. It is 18 feet wide and spans 225 feet over the Kalamazoo River. It was built to replace a dilapidated…
Self-Leveling Control for Hillside Combine Self-Leveling Control for Hillside Combine
Spokane Valley, WA
In 1941, near Palouse, Washington, Raymond A. Hanson conceived of a self-leveling mechanism for hillside combines. On the steep hills in the Pacific Northwest, leveling is…
5-hydroxytryptamine, or 5-HT. More commonly known as serotonin. Serotonin
Cleveland, OH
In the 1940s, researchers Irvine Page, Maurice Rapport, Arda Green and Betty Twarog made pioneering discoveries that transformed modern neuroscience. While investigating…
Seventh Street Improvement Arches Seventh Street Improvement Arches
St. Paul, MN
Designed by William A. Truesdell, a railroad engineer, the Seventh Street Improvement Arches celebrates the engineering application of mathematics to improve living conditions.…
Sewall's Bridge Sewall's Bridge
York, ME
Sewall's Bridge is a singular example of an era when wooden trestle bridges carried highway traffic across New England waterways. It is the earliest pile-trestle bridge for which…
Shippingport Nuclear Power Station Shippingport Nuclear Power Station
Shippingport, PA
The first commercial central electric-generating station in the United States to use nuclear energy was the Shippingport Atomic Power Station of the Department of Energy and the…
Sholes & Glidden 'Type Writer' Sholes & Glidden 'Type Writer'
Milwaukee, WI
Designed in 1873 by Christopher Latham Sholes, with Carlos Glidden, Samuel Soulé and Mathias Schwalbach, the Sholes & Glidden 'Type Writer' was the first commercially…
Siegfried Marcus Car Siegfried Marcus Car
Vienna,
Siegfried Marcus (1833-1898), a remarkable engineer and manufacturer, lived most of his life and died in Vienna, leaving his most important legacy — an experimental automobile…
First practical US helicopter, pioneering the single-main-rotor concept Sikorsky VS-300 Helicopter
Dearborn, MI
America's first practical helicopter, it pioneered the single main rotor concept that became the predominant helicopter configuration throughout the world. The principles that…
asce Site of the Founding Meeting of ASCE on Nov 5, 1852
Sleepy Hollow, NY
On October 23rd, 1852 a notice was sent to practitioners of civil engineering in and near New York City requesting their participation in developing an association that would…
Skid Steer Loader Skid Steer Loader
West Fargo, ND
Brothers Cyril and Louis Keller designed and built the first small, lightweight, three-wheel, front-end loader in their machinist-blacksmith shop in Rothsay, Minnesota. A local…
Alternate view of the site with Birmingham in background Sloss Blast Furnaces
Birmingham, AL
Sloss Blast Furnaces has been designated a National Historic Landmark. This site possesses national significance in commemorating the history of the United States of America. 1981…
Slotted Inlet Ventilation Slotted Inlet Ventilation
Columbus, OH
A Crucial Step In The Evolution Of Modern Animal Agriculture Was The Development Of Mechanical Ventilation Methods For Animal Housing. Air Inlets Are Pivotal To Good Ventilation.…
Slow Moving Vehicle Emblem Slow Moving Vehicle Emblem
Columbus, OH
Slow Moving Vehicle (SMV) Emblem Makes Significant Contributions To Agricultural And Highway Safety Worldwide. 1961- 63 Developed By Kenneth A. Harkness, Department Of…
Smithfield Street Bridge Smithfield Street Bridge
Pittsburgh, PA
Three rivers - the Allegheny, Monongahela, and Ohio - join in Pittsburgh, making the city a natural site for the building of bridges. But the Smithfield Street Bridge stands apart…
Snoqualmie Falls Cavity Generating Station Snoqualmie Falls Cavity Generating Station
Snoqualmie, WA
This was one of the first power facilities to demonstrate the feasibility of long distance electric power transmission. Through an elaborate switchboard at the main station, tied…
Snowy Mountains Hydro-Electric Scheme Snowy Mountains Hydro-Electric Scheme
Khancoban, NSW
The scheme virtually reverses the flow of the Snowy River from its natural course toward the ocean and directs it inland. The entire complex includes 16 dams, seven power stations…

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