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Engineering Innovations

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Title Description
Joshua Hendy Iron Works 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…
Kamehameha V Post Office 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 …
Kansas City Park and Boulevard System 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…
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…
Kavanagh Building Kavanagh Building
Buenos Aires,
Built during the 1930s, when Argentina's economy was the tenth strongest in the world, the Kavanagh Building was one of the world's first reinforced concrete skyscrapers and for…
The Keeling Curve, December 2014 Keeling Curve: Study of Atmospheric Carbon Dioxide
La Jolla, CA
Charles David Keeling of Scripps Institution of Oceanography was the leading authority in establishing the global atmospheric carbon dioxide (CO2) record. In 1958, Keeling began…
Kentucky Dam Kentucky Dam
Grand River, KY
In 1930, the U.S. Corps of Engineers was directed to complete an engineering survey of the Tennessee River to determine the feasibility of establishing complete river navigability…
Keokuk Hydro-Power System Keokuk Hydro-Power System
Keokuk, IA
Spearheaded by Hugh Cooper, the Keokuk Dam & Power Plant served as a prototype for many future power plants. The project harnessed the hydropower of the Mississippi River,…
King's Road King's Road
New Smyrna, FL
When Governor James Grant arrived in the newly acquired British colony of East Florida in 1764, he found it devoid of settlers. To increase both the population and commerce with…
Kinzua Railway Viaduct Kinzua Railway Viaduct
McKean County, PA
The workforce consisted of less than 100 men, yet they finished construction in just 94 days. Such speed was possible due to the elimination of scaffolding. Instead, iron rods…
Knight Foundry and Machine Shop Knight Foundry and Machine Shop
Sutter Creek, CA
This is one of the earliest US foundry-machine shops remaining in operation and one of the few water powered. It was founded by Samuel N. Knight (1838-1913) to manufacture…
Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels Lacey V. Murrow Bridge and Mount Baker Ridge Tunnels
King County , WA
The 1.5 mile Lacey V. Murrow Bridge was the largest floating structure in the world and the first to be built of reinforced concrete when completed in 1940.  The bridge…
Lake Pontchartrain Causeway Lake Pontchartrain Causeway Bridge
New Orleans, LA
In the 1940s and 1950s, New Orleans experienced growth. Unfortunately, access from the north to the City continued to be limited by Lake Pontchartrain. Driving around the Lake was…
Lake Washington Ship Canal & Hiram M. Chittenden Locks Lake Washington Ship Canal & Hiram M. Chittenden Locks
Zanesville, WA
After more than 50 years of contention and debate, dredging began in 1911 on an eight-mile channel connecting Puget Sound, Seattle's gateway to the Pacific, to two inland…
Lapeyre Automatic Shrimp Peeling Machine
Biloxi, MS
The growth of the shrimp processing industry and its impact on local economies along the northern Gulf of Mexico, The U.S. West Coast and in more than forty other countries is…
Laser Beam Automatic Grade-Control System Laser Beam Automatic Grade-Control System
Columbus, OH
The first laser grade control was developed by agricultural engineers James Fouss and Norman Fausey of USDA's Agricultural Research Service at The Ohio State University in the mid…
Lawrence Experiment Station Lawrence Experiment Station
Lawrence, MA
Some of the station's notable achievements:   The first method for detecting radioactive particles in water supplies   A successful system of slow-sand filter…
Leavitt-Riedler Pumping Engine Leavitt-Riedler Pumping Engine
Boston, MA
This machine is an unusual triple-expansion, three-crank rocker engine, which in its day was a high-capacity unit providing outstanding performance for the Boston Water Works…
Rachel Carson Legacy of Rachel Carson’s Silent Spring
Pittsburgh, PA
Rachel Carson’s Silent Spring, published in 1962, was a landmark in the development of the modern environmental movement. Carson’s scientific perspective and rigor created a…
LeTourneau "Mountain Mover" Scraper LeTourneau "Mountain Mover" Scraper
Longview, TX
 When Robert G. LeTourneau started moving earth in 1919, he thought that land leveling should require only one man. In 1920, by installing a generator and electric motors, R.…

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