Engineering Innovations
Displaying 201 - 220 of 675
Title | Description | |
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Ditch Witch DWP Service-Line Trencher Perry, OK |
The DWP was the first mechanized, compact service-line trencher developed for laying underground water lines between the street-main and the house. This machine, first produced in… | |
Doe River (Elizabethton) Covered Bridge Elizabethton, TN |
Doe River Bridge is a fine example of a timber Howe truss, one of the most widely-used timber bridge designs. Built in 1884, this structure played an integral role in the… | |
Dorton Arena Raleigh, NC |
The Dorton Arena was the first use of a cable-supported roof system in the world. Commissioned in 1949 by North Carolina State Fair manager J.S. Dorton, the new building was… | |
Downey Industrial Plant Downey, CA |
Established in 1929, and owned by several different aviation companies through its history, the Downey site was the design, test, and production site for various airplanes and… | |
Drake Oil Well Titusville, PA |
The drilling of this oil well marks the modern phase of the petroleum industry. A series of revolutionary technological changes, unforeseen even by the most prophetic, followed.… | |
Druid Lake Dam Baltimore, MD |
Like other American cities in the late 19th century, Baltimore had grown so quickly its supply system was unable to provide city residents with a dependable supply of water. Two… | |
Dublin-Belfast Rail Link Dublin to Belfast, |
The Dublin to Belfast Rail Link established a vital connection between the capitals of Northern Ireland and the Republic of Ireland. The line's most notable engineering feature… | |
Duck Creek Aqueduct Metamora, IN |
The significance of the 15-mile Whitewater Canal was not in its ability to create a profit, but rather its effect on the economic growth of the Whitewater River Valley, considered… | |
Duck Creek Aqueduct Covered Bridge Metamora, IN |
Duck Creek Aqueduct is a rare surviving example of a covered timber aqueduct. It was one of several similar structures on the Whitewater Canal, which operated between the… | |
Dunlap's Creek Bridge Brownsville, PA |
Not only was Dunlap's Creek Bridge the first cast-iron bridge in America, it was the first metal bridge anywhere to use what its builder, Capt. Richard Delafield, U.S. Army Corps… | |
Duquesne Incline Pittsburgh, PA |
Designed by Sam Diescher, son-in-law of the Monongahela's designer John Endres, the Duquesne Incline opened May 20, 1877, as the second of seventeen built and operated in the… | |
Durango-Silverton Branch of the D&RGW RR Durango, CO |
The Durango-Silverton Narrow Gauge Branch of the Denver & Rio Grande Western Railroad extends from the town of Durango to the mining camp of Silverton. Built in 1882 through… | |
Dutch Flats Airport San Diego, CA |
On this site, which was the Dutch Flats Airport, Charles A. Lindbergh made the first flight of his Spirit of St. Louis airplane, constructed in 60 days by dedicated employees of… | |
Eads Bridge East St. Louis, IL |
In the decade following the Civil War, the Mississippi River began to lose its standing as the primary transport artery in the Midwest. Railroads were taking over, and Chicago was… | |
Early Developments in Remote-Control Madrid, |
In 1902 and 1903 he requested some patents for the system. With the Telekine, Torres-Quevedo laid down modern wireless remote-control operation principles. Torres Quevedo also… | |
East Maui Irrigation System East Maui, HI |
The East Maui Irrigation System is Hawaii's most dramatic water story. It began with the construction of the Old Hamakua Ditch built between 1876 and 1878. This privately financed… | |
East Wells Onieda Street Power Plant Milwaukee, WI |
Formerly known as the Oneida Street Power Plant, this plant served from 1918 to 1920 as the pilot plant in the United States for the development and use of finely pulverized coal… | |
Ecole Nationale des Ponts et Cheussees Paris, Ile-de-France |
Inventions credited to the Ecole Nationale des Ponts et Chaussees and its graduates include: prestressed concrete, lighting gas, and the optical lens. The school and its graduates… | |
Eddystone Lighthouse , Cornwall |
An early image of the James Douglass lighthouse, with the stump of the Smeaton-designed building beside it. Eddystone Lighthouse is located in the English Channel, 14 miles… | |
Eddystone Station Unit #1 Eddystone, PA |
Operated by the Philadelphia Electric Company (PECO), now known as Exelon Corp., Eddystone Station Unit #1 is a 325 MW pulverized-coal-fired plant that pushed the technology of… |