Engineering Innovations
Displaying 161 - 180 of 675
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Creusot Steam Hammer Le Creusot, |
The introduction of steam-powered forging hammers by French and British engineers of the 1830s led to the building of this impressive hammer at Creusot that delivered blows to… |
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Croton Water Supply System New York, NY |
Inferior water and the lack of a sufficient water supply prompted public pressure to find a significant water source for the 360,000 of people living in New York City at the time… |
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Crown Cork and Soda Filling Machine Essex, MD |
Although bottled carbonated beverages were popular by the 1880s, sealing the bottle was a constant problem. Most "stoppers" were of metal and intended for reuse. None sealed… |
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Crozet's Blue Ridge Tunnel Waynesboro, VA |
One of four single-track tunnels built by the Blue Ridge Railroad, the 4,273-foot Crozet Tunnel was constructed at a time when hand drills, pickaxes, and black powder amounted to… |
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Cruquius Pumping Station Haarlemmermeer, |
This is one of three nearly identical pumping stations that drained the Haarlemmermeer (Haarlem Lake), 1849- 52, then continued to maintain the polder's water table for more than… |
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Cumbres and Toltec Scenic Railway Antonito, CO |
Winding over 64 miles through the majestic San Juan mountains, the narrow-gauge railway known today as the Cumbres and Toltec Scenic Railroad was built as a branch of the… |
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Curtis 500-kW Vertical Turbine Indianapolis, IN |
This, the first Curtis vertical turbine built, was constructed by the General Electric Co. for the Newport & Fall River Street Railway Co. It operated in the Newport, R.I.,… |
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David Taylor Model Basin Bethesda, MD |
The David Taylor Model Basin is among the largest facilities of its kind in the world, containing a shallow water basin, a deep water basin and a high-speed basin. Using its… |
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Davidson Hall Iowa State Ames, IA |
Designated an Historic Landmark in Honor of J. Brownlee Davidson a Founder of Agricultural Engineering First President of American Society of Agricultural Engineers Organizer of… |
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Davis Island Lock and Dam McKees Rocks, PA |
Before the Davis Island Lock & Dam were built, the flow of the Ohio River slowed to little more than a trickle during dry periods. For several months each year, the unreliable… |
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DayGlo Fluorescent Pigments Cleveland, OH |
DayGlo fluorescent pigments, a new class of pigments based on fluorescent dyes and polymeric materials, were developed between the 1930s and 1950s by scientists at Switzer… |
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Decew Falls Hydro-Electric Plant Niagara, Ontario |
The Decew Falls Hydro-Electric Development was a pioneering project in the generation and transmission of electrical energy at higher voltages and at greater distances in Canada.… |
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Deciphering the Genetic Code Bethesda, MD |
In 1961, in the National Institutes of Health Headquarters (Bethesda, MD), Marshall Nirenberg and Heinrich Matthaei discovered the key to breaking the genetic code when they… |
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Delta Air Lines’ Original 1940s Buildings Atlanta, GA |
Delta Air Lines’ historic buildings consist of two aircraft hangers and several office buildings at the Delta World Headquarters site constructed between 1941 and 1947. On March 1… |
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Demonstration of Practical Telegraphy Morristown, NJ |
In January 1838, Samuel F. B. Morse and Alfred Vail first demonstrated publicly crucial elements of their telegraph system, using instruments that Vail had constructed during the… |
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Denison Dam Denison, TX |
The largest rolled-earth fill dam in the world at the time of its completion, Denison Dam eventually served as a prototype for dam construction in future U.S. Army Corps of… |
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Detroit Edison District Heating System Detroit, MI |
The concept of heating a number of buildings in the core area of a city from a single heating plant was introduced into the United States by Birdsill Holly at Lockport, New York,… |
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Detroit-Windsor Tunnel Detroit, MI |
The Detroit-Windsor Tunnel is a 5,160-foot structure that carries traffic under the Detroit River between Detroit, Michigan and Ontario, Canada. Privately financed, built, and… |
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Development of Bakelite Yonkers, NY |
Around 1907, Belgian-born chemist Leo Hendrik Baekeland took two ordinary chemicals, phenol and formaldehyde, mixed them in a sealed autoclave, and subjected them to heat and… |
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Development of Diagnostic Test Strips Elkhart, IN |
It is difficult to recall a time when doctors and patients had trouble tracking the presence of glucose and other substances in urine and blood. Lack of sufficient measurement… |
