Engineering Innovations
Displaying 361 - 380 of 675
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Interborough Rapid Transit System Original Line Brooklyn, NY |
Plans to build a rapid transit system in New York were first made in 1831. By 1868 the first elevated railway was erected. As the "El" became crowded, construction of an… |
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Internal Combustion Tractor Charles City, IA |
In 1892, John H. Froehlich, Froehlich, IA, Mounted A Gasoline Fueled Internal Combustion Engine On A Traction Geared Frame And Used It To Power A Threshing Machine. A Change In… |
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International Boundary Marker #1 El Paso, TX |
William Emory was an 1831 graduate of the U.S. Military Academy at West Point. When the Mexican War broke out, he was assigned as chief engineer officer to General Stephen Kearny… |
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Invention of COBOL Programming by Grace Murray Hopper Lock Haven, PA |
A curious child who dissembled the clocks in her parent's home, Grace Hopper graduated from Vassar College with a B.A. in mathematics and physics. She continued her education at… |
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Invention of the LASER Murray Hill, NJ |
As ideas developed, they abandoned infrared radiation to instead concentrate upon visible light. The concept originally was called an "optical maser". In 1958, Bell Labs filed a… |
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Iron Building of the U.S. Army Arsenal Watervliet, NY |
The Watervliet arsenal complex originally was built to house and manufacture weapons for the War of 1812. During the Civil War, it specialized in gun cartridges and artillery… |
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Ironbridge Coalbrookdale-Ironbridge, |
This bridge is recognized as the first iron bridge in the world. This rural region of England was an important industrial area thanks to coal deposits near the surface. In 1776… |
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Izaak Maurits Kolthoff and Modern Analytical Chemistry Minneapolis, MN |
Izaak Maurits Kolthoff (1894–1993) has been described as the father of modern analytical chemistry for his research and teaching that transformed the ways by which scientists… |
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Jackson Ferry Shot Tower Austinville, VA |
This facility was typical of others in the country that made small spherical lead shot for the fowling pieces of frontier settlers. Smelted lead from the nearby Austinville mines… |
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Jacobs Engine Brake Retarder Bloomfield, CT |
The Jake Brake permits large trucks to descend long, steep grades at a controlled speed. It was the first practical mechanism for altering on demand the valve timing on a truck… |
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Jeep Model MB Toledo, OH |
Although not the first four-wheel-drive vehicle or the first designed for rough, multipurpose field use, the Jeep MB was built as an unusual combination of these and other… |
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John A. Roebling Bridge Cincinnati, OH |
In 1866, the Covington and Cincinnati Suspension Bridge was the largest suspension bridge in the world. Also called the Ohio Bridge, it was officially renamed the John A. Roebling… |
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John Deere Moldboard Plow Grand Detour, IL |
On this site in 1837 John Deere built the first successful self-scouring steel plow, thereby making a significant contribution to the development of American agriculture.… |
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John Penn & Sons Oscillating Steam Engine Dresden, Saxony |
The oscillating steam engine, built by John Penn & Sons, is located aboard the famed paddle steamer Diesbar. Diesbar is the second oldest of a fleet of nine paddle steamers… |
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Johnstown Incline Johnstown, PA |
This is one of several, similar inclines built in western Pennsylvania during the late 19th century. It was designed by Samuel Diescher (1839-1915) after the great flood of 1889,… |
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Joining of the Rails - Transcontinental Railroad Promontory, UT |
"May God continue the unity of our Country as this Railroad unites the two great Oceans of the world." - Inscription on the ceremonial Golden Spike The symbolic Golden Spike,… |
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Joshua Hendy Iron Works Sunnyvale, CA |
This ironworks exemplified the adaptability required for industrial survival in a dynamic technical environment. It was a major western producer of mechanical equipment used in… |
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Kamehameha V Post Office Honolulu, HI |
The Kamehameha V Post Office is the oldest surviving public building in the U.S. constructed with reinforced concrete. The success of this early structure helped establish the… |
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Kansas City Park and Boulevard System Kansas City, MI |
"Who in Europe, or in America for that matter, knows that Kansas City is one of the loveliest cities on earth? [...] the residential section is a masterpiece of city planning… |
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Kaplan Turbine Muhlenberg, PA |
This Kaplan turbine is one of the first three machines to be put into service in the United States. Named for its Austrian inventor, Viktor Kaplan (1876-1934), the turbine was an… |
