Skip to main content

Engineering Innovations

Displaying 201 - 220 of 675
Title Description
Ditch Witch DWP Service-Line Trencher 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) Bridge 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 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…
Production of the Vultee Vengeance bombers for the Royal Air Force at Downey, California 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 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 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-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 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 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 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 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 and Silverton Narrow Gauge railway runs along the Highline. 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…
The instrument panel of the Spirit of St. Louis 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 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 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 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 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 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…

We hope you enjoyed this essay.

Please support America's only magazine of the history of engineering and innovation, and the volunteers that sustain it with a donation to Invention & Technology.

Donate

Stay informed - subscribe to our newsletter.
The subscriber's email address.