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Iron Building of the U.S. Army Arsenal
Society: ASCEMain Category: CivilSub Category: BuildingsEra: 1850-1859DateCreated: 1859US Army ArsenalWatervlietState: NYZip: 12189Country: USAWebsite: http://www.asce.org/Project/Iron-Building-of-the-U-S--Army-Arsenal/Creator: Badger, Daniel D.

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 carriages. The facility today is a primary site for making state-of-the-art tank cannon, howitzers, mortars, and recoilless rifles.

Image Credit: Courtesy Wikipedia/US ArmyImage Caption: The 1859 cast iron storehouse at the U.S. Army's Watervliet Arsenal is a unique example of early prefabricated construction technology.Era_date_from: 1859
Hudson and Manhattan Railroad Tunnel
Society: ASCEMain Category: CivilSub Category: NuclearEra: 1900-1909DateCreated: 1908Hudson RiverNew York City to Hoboken State: NYCountry: USAWebsite: http://www.asce.org/project/hudson-and-manhattan-rr-tunnel/Creator: Haskin, DeWitt Clinton, McAdoo, William G.

A transportation tunnel under the Hudson River connecting Manhattan and New Jersey was first considered in the 1860s, fueled by New York City's rapidly growing congestion and the inadequacy of existing ferry service to population centers across the river. DeWitt Clinton Haskin, an engineer formerly with the Union Pacific Railroad, started the project in 1874 and subsequently endured an extended lawsuit, several failures of the tunnel wall, and an exhaustion of funds before quitting in 1887 with only 1,600 feet completed. 

YearAdded:
1978
Image Credit: Courtesy ascemetsection.orgImage Caption: The Hudson and Manhattan tunnel was the first large transportation tunnel constructed under a major river in the United States..Era_date_from: 1908
First New York Subway
Society: ASCEMain Category: CivilSub Category: Roads & RailsEra: 1900-1909DateCreated: 1900-1904New YorkState: NYZip: 10007Country: USAWebsite: http://www.asce.org/Project/First-New-York-Subway/Creator: Interborough Rapid Transit Company

In the 19th century, New York City was a burgeoning industrial and commercial metropolis - the largest city in the United States and second largest in the world. As the city's population increased, people began to call for construction of an underground railway. Many unusual engineering challenges had to be overcome, not the least of which was construction in a dense urban area. After lengthy legal battles over property rights and the debt limit of the city, ground was broken on March 24, 1900.

YearAdded:
1977
Image Credit: Courtesy Wikipedia/Interborough Rapid Transit Company Image Caption: A map of New York's first underground subway.Era_date_from: 1900
Link C-3 Flight Trainer
Society: ASMEMain Category: Aerospace & AviationSub Category: AviationEra: 1930-1939DateCreated: 1935Roberson Museum and Science Center

BinghamtonState: NYZip: 13905Country: USAWebsite: https://www.asme.org/about-asme/who-we-are/engineering-history/landmarks/210-link-c-3-flight-trainerCreator: Link, Edwin

During the 1920s, Edwin A. Link was employed in his father's organ building and repair business. He obtained his pilot's license in 1927 and became convinced that a mechanical device could be built as an inexpensive method to teach basic piloting. Link received three patents on his flight trainer (No. 1,825,462, March 12, 1930; No. 2,244,464, June 3, 1941; and No. 2,358,016, Sept. 12, 1944).

YearAdded:
2000
Image Credit: Courtesy Wikipedia/Tony SpeerImage Caption: An early flight simulator representative of the first truly effective mechanical device used to simulate actual flight processes.Era_date_from: 1935
Society: AIAAMain Category: Aerospace & AviationSub Category: ResearchEra: 1940-1949DateCreated: 19464455 Genesee StreetBuffaloState: NYZip: 14225Country: USAWebsite: https://www.aiaa.org/uploadedFiles/About_AIAA/News_Room/Cornell_PR2010.pdfCreator: Wright Brothers, Curtiss, Glenn

Tracing its history to the earliest days of powered flight – to the Wright brothers and Glenn Curtiss – the site began as the research laboratory of the Curtiss-Wright Aircraft Company. After World War II, it was donated to Cornell University, and in January 1946 opened its doors as the Cornell Aeronautical Laboratory. Nearly every military aircraft and space vehicle developed in the United States from the end of World War II until the present day has been tested at the facility, now known as Calspan.

YearAdded:
2010
Image Caption: Ronald Patterson, a Cornell Aeronautical Labs technician, poses with a prototype of the lab's famous "man-amplifier" concept in 1961.Era_date_from: 1946
Williamsburg Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1900-1909DateCreated: 1903Williamsburg BridgeBrooklynState: NYZip: 11211Country: USAWebsite: http://www.asce.org/Project/Williamsburg-Bridge/Creator: Buck, Leffert , Lindenthal, Gustav

When opened in 1903, the 1,600 foot long main span of the Williamsburg Bridge was the world's longest suspension span, surpassing the nearby Brooklyn Bridge by only 4.5 feet. The Williamsburg Bridge remained the world's longest suspension bridge span for 21 years until the opening of the Bear Mountain Bridge in 1924. The Williamsburg Bridge has two unsuspended side spans of 596.5 feet, each supported from below by trussed towers, giving the bridge an overall length of 2,793 feet. The four main suspension cables are 18.75 inches in diameter and each composed of over 10,000 wires.

YearAdded:
2009
Image Credit: Courtesy Flickr/Kev Gilmour (CC BY 2.0)Image Caption: Williamsburg BridgeEra_date_from: 1903
Whipple Truss Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1850-1859DateCreated: 1855SchenectadyState: NYCountry: USAWebsite: http://www.asce.org/Project/Whipple-Truss-Bridge/Creator: Whipple, Squire

The Whipple Bowstring Truss Bridge was built from a design patented in 1841 by Squire Whipple. Whipple was the first person to understand the stresses in truss members and he developed the first theoretical formula to calculate stresses in the articulated truss. His bowstring truss was the first to use cast iron for compression and wrought iron for tension membranes.

YearAdded:
1981
Image Credit: Courtesy Wikicommons/RehrenbergImage Caption: A Whipple Bowstring Arch/Truss style bridge, built by S. DeGraff in Albany, NYEra_date_from: 1855
Westmoreland Iron Works
Society: ASMEMain Category: MechanicalSub Category: ManufacturingEra: 1850-1859DateCreated: 185050 Station RoadWestmorelandState: NYZip: 13490Country: USAWebsite: http://www.asme.org/about-asme/history/landmarks/topics-m-z/manufacturing---2/-126-westmoreland-iron-works-%281850%29Creator: Clark, Erastus , Buell, Abel

The history of this foundry, which was the oldest malleable iron company in continuous operation in the United States for many years, was inseparable from that of the small town of Westmoreland, where neighbors and workers kept time by the foundry bell. The firm was founded as Oakhill Malleable Iron Company in 1833 and was established under its present name in Westmoreland in 1850. Erastus W. Clark, who along with his brother-in-law Abel Buell brought the foundry to Westmoreland, ran the ironworks until 1871 and was the first of six generations who still own and manage it.

YearAdded:
1987
Image Credit: Courtesy ASMEImage Caption: Westmoreland Iron WorksEra_date_from: 1850
Ward House
Society: ASCEMain Category: CivilSub Category: BuildingsEra: 1870-1879DateCreated: 18761-99 Magnolia Dr
Brook
RyeState: NYCountry: USAWebsite: http://www.asce.org/Project/Ward-House/Creator: Ward, William , Mook, Robert

It is a large, imposing structure (over a dozen rooms and spacious halls) dominated by a four-story octagonal tower at one corner and a second shorter square tower at another corner containing tanks for potable and fire-fighting water supply.

YearAdded:
1977
Image Credit: Courtesy Wikipedia/Daniel Case (CC BY-SA 3.0)Image Caption: Ward HouseEra_date_from: 1876
Triborough Bridge Project
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1930-1939DateCreated: 1936Robert F. Kennedy BridgeNew YorkState: NYZip: 10035Country: USAWebsite: http://www.asce.org/Project/Triborough-Bridge-Project/Creator: Moses, Robert , Ammann, Othmar

The Triborough Bridge Project is a three-branched waterway crossing that connects Manhattan, the Bronx, and Queens at a junction of the East River and the Harlem River in New York City. The complex structure includes a suspension bridge from Wards Island to Queens, a vertical lift span from Randall's Island to Manhattan, a fixed span (designed to be convertible to a lift span) across the Bronx Kills, viaducts, and an innovative three-legged roadway interchange.

YearAdded:
1986
Image Credit: Public Domain (National Park Service)Image Caption: Triborough Bridge ProjectEra_date_from: 1936
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