Engineering Innovations
Displaying 541 - 560 of 682
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River des Peres Sewage & Drainage Works St. Louis, MO |
In 1915, a tropical storm dropped nearly 11 inches of rain on St. Louis in just 17 hours, causing a devastating flood. Claiming 11 lives and the homes of 1,025 families, the flood… |
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RL-10 Rocket Engine Washington, DC |
The RL-10, which served as the power plant for NASA's upper-stage Centaur space launch vehicle, was the first rocket engine to use high-energy liquid hydrogen as a fuel. It has… |
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Rocketdyne Santa Susana Field Laboratory Brandeis, CA |
On 15 November 1950, the SSFL conducted its first official test with a Rocketdyne-designed XLR43-NA-1 large liquid propellant rocket engine, which later became the Redstone engine… |
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Rockville Stone Arch Bridge Marysville, PA |
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… |
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Rocky River Pumped-storage Hydroelectric Plant Hartford, CT |
The Connecticut Light & Power Company pioneered the use of pumped storage in the United States at this hydroelectric station. First operated in 1929, the Rocky River Plant had… |
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Roebling's Delaware Aqueduct Minisink Ford, NY |
The Delaware Aqueduct provided an important transportation link between the Pennsylvania's coalmines and New York's booming industrial marketplace. It is the earliest surviving… |
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Rogue River Bridge Gold Beach, OR |
The Rogue River Bridge was the most advanced concrete bridge in America when it was built. Distinguished bridge engineer Conde McCullough employed the techniques of Frenchman… |
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Roll Over Protection Structure (ROPS) Cedar Falls, IA |
The First Agricultural Tractor Roll-Over Protection Structure (Rops) In The USA Resulted From Research By Lloyd H. Lamouria, Ralph R. Parks And Coby Lorensen At The Agricultural… |
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Royal Colonial Boundary of 1665 Middlesboro, KY |
The Royal Colonial Boundary of 1665 was decreed by England's King Charles II to demarcate his American colonies. It provided a survey from the Atlantic Ocean to the Mississippi… |
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Rubber Tractor Tires Orange, VA |
Early tractors were massive and expensive. Their steel lug wheels gave poor traction and a rough ride. Lugs were prohibited on many roads. 1926 Hoyle Pounds modified a Fordson… |
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Rumely Companies' Agricultural Products La Porte, IN |
Beginning with the blacksmith shop of German immigrant Meinrad Rumely (1823-1904), this successive family of firms invented and produced a line of agricultural equipment that… |
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Rumely OilPull Tractor La Porte, IN |
The Rumely Companies, which operated in La Porte, Indiana, from 1853 to 1931, produced a variety of equipment including threshers and steam engines, which helped to change the… |
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Rumford Baking Powder Rumford, RI |
Bread is considered a basic foodstuff; eaten down through the ages, it continues to be a staple of the modern diet. The development of baking powder made baking easier, quicker… |
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Salginatobel Bridge Schiers, Graubünden |
The Salginatobel Bridge, spanning the Salgina Valley ravine, is the earliest surviving three-hinged, hollow box arch bridge designed by Robert Maillart. Maillart's 1901… |
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Samson Mine Reversible Waterwheel & Man Engine Sankt Andreasberg, Lower Saxony |
This silver mine preserves two features of bygone practice. One is the reversible waterwheel of the ore-hoist, which originally was installed in 1565 and currently dates back to… |
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San Antonio River Walk & Flood Control System San Antonio, TX |
San Antonio's River Walk, a catalyst for abundant commercial and tourism enterprise, is generally regarded by cities and urban planners throughout the world as a prototype for the… |
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San Francisco - Oakland Bay Bridge Oakland, CA |
Ever since the Gold Rush days of the 1850s, San Francisco Bay area residents and businesses had lobbied for a bridge joining San Francisco and Oakland. Early studies indicated… |
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San Jacinto Monument Houston, TX |
The San Jacinto Monument commemorates the decisive 1836 battle near the banks of the Buffalo Bayou and the San Jacinto River that allowed Texas to win independence from Mexico. It… |
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Saturn V Rocket Orlando, FL |
The largest rocket built at the time of the historic first missions to the moon, the Saturn V carried aloft the 45-ton Apollo spacecraft on earth orbital and lunar missions from… |
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Saugus Ironworks Saugus, MA |
The Saugus Ironworks, the first commercial ironworks in North America, was an impressive technological achievement for an early colony. The same basic processes are used today:… |
