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1700-1749

Emanuel Bowen's 1747 map showing the boundary between Virginia and North Carolina.
Society: ASCE Main Category: Civil Sub Category: Boundaries & Surveys Era: 1700-1749 DateCreated: 1728-1821 Middlesboro State: KY Zip: Country: USA Website: http://www.asce.org/Project/Royal-Colonial-Boundary-of-1665/ Creator: Charles II

The Royal Colonial Boundary of 1665 was decreed by England's King Charles II to demarcate his American colonies. It provided a survey from the Atlantic Ocean to the Mississippi River along 36 degrees, 30 minutes north latitude. The boundary now serves to divide Virginia from North Carolina and Kentucky from Tennessee. 

YearAdded:
1985
Image Credit: Image Caption: Emanuel Bowen's 1747 map showing the boundary between Virginia and North Carolina. Era_date_from: 1728
City Plan of Savannah
Society: ASCE Main Category: Civil Sub Category: Civil Engineering Profession Era: 1700-1749 DateCreated: 1733 Historic District Savannah State: GA Zip: 31401 Country: USA Website: http://www.asce.org/project/city-plan-of-savannah/ Creator: Oglethorpe, James

The Savannah city plan, whose execution began in 1733, is distinguished from those of previous colonial towns by the repeated pattern of connected neighborhoods, multiple squares, streets, and designed expansion into lands held by the city. It is unique in the history of urban planning in a number of aspects, not the least of which is that the squares allow for more open space in Savannah than any city layout in history. 

YearAdded:
1977
Image Credit: Courtesy Wikipedia/PurpleChez Image Caption: City Plan of Savannah Era_date_from: 1733
Old Mill in Nantucket
Society: ASME Main Category: Mechanical Sub Category: Wind Power Production Era: 1700-1749 DateCreated: 1746 50 Prospect Street Nantucket State: MA Zip: Country: USA Website: http://www.asme.org/about-asme/history/landmarks/topics-m-z/wind-power-production/-165-old-mill-in-nantucket-%281746%29 Creator: Wilbur, Nathan

The Old Mill, a smock type of windmill, believed to be the oldest operating windmill in the United States. Most of its parts are original. This mill is the sole survivor of four that once stood along the range of hills west of the town of Nantucket. The long spar and wheel rotate the top of the mill and turn the sails into the wind. Inside, visitors can watch the gears as corn is ground into meal, producing about 5 bushels an hour. Documentation of the restoration of the windmill is located at the Nantucket Historical Association's Research Center.

YearAdded:
1992
Image Credit: Courtesy Flickr/Hiroshi Okugawa (CC BY 2.0) Image Caption: Old Mill in Nantucket Era_date_from: 1746
Ecole Nationale des Ponts et Cheussees
Society: ASCE Main Category: Civil Sub Category: Education Era: 1700-1749 DateCreated: 1747 Marne-la-Vallée Paris State: Ile-de-France Zip: Country: France Website: http://www.asce.org/project/ecole-nationale-des-ponts-et-chaussees/ Creator: Trudaine, Daniel-Charles

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 also have been central to research in the diffraction of light, the applications of concrete, and the measurement of the strength of materials.

YearAdded:
1988
Image Credit: Courtesy Wikicommons/MagnusTheGreat (CC BY-SA 3.0) Image Caption: Ecole Nationale des Ponts et Cheussees Era_date_from: 1747
Society: ASME Main Category: Mechanical Sub Category: Minerals Extraction & Refining Era: 1700-1749 DateCreated: 1742 94 Rexmont Rd Lebanon State: PA Zip: 17042 Country: USA Website: http://www.asme.org/about-asme/history/landmarks/topics-m-z/minerals-extraction-and-refining/-106-cornwall-iron-furnace-%281742%29 Creator: Grubb, Peter
When erected by Peter Grubb to smelt the rich iron ore of the nearby Cornwall ore banks, this stone-built blast furnace was typical for its time, producing about 20 tons of pig-iron and cast-iron products a week. A major reconstruction in 1856 to 1857 produced important changes: the furnace itself was enlarged; the blast-air bellows were replaced by a pair of wooden cylinder "blowing tubs"; the waterwheel that had powered them was replaced by a 20-horsepower steam engine; and a pair of waste-heat boilers to supply the engine was built into the open stack of the furnace.
YearAdded:
1985
Image Credit: Courtesy Wikipedia/Wherring (CC BY-SA 3.0) Image Caption: Cornwall Iron Furnace Era_date_from: 1742
Acueducto de Queretaro
Society: ASCE Main Category: Civil Sub Category: Water Supply & Control Era: 1700-1749 DateCreated: 1726 - 1738 De Los Arcos 171 Santiago de Querétaro State: Querétaro Zip: 76020 Country: Mexico Website: http://www.asce.org/project/acueduto-de-queretaro/ Creator: de Urrutia y Arana, Juan Antonio

Queretaro's aqueduct, in Central Mexico, is one of the most eloquent symbols of colonial Mexico. As one of the early major hydraulic engineering projects in North America, it defines the city both nationally and internationally. The aqueduct, designed in 1723 by Juan Antonio de Urrutia y Arana, Marquis of Villa del Villar del Aquila, was inspired by the aqueducts of Segovia, Merida and Tarragona in Spain. It began supplying clean water to the city in this arid region of Mexico on October 17, 1738.

YearAdded:
1995
Image Credit: Courtesy Wikipedia/Ephobius (CC BY-SA 3.0) Image Caption: Acueducto de Queretaro Era_date_from: 1726
The Espada Aqueduct, running over the Piedras Creek
Society: ASCE Main Category: Civil Sub Category: Water Supply & Control Era: 1700-1749 DateCreated: 1718-1744 San Antonio Missions National Historical Park San Antonio State: TX Zip: 78221 Country: USA Website: http://www.asce.org/project/acequias-of-san-antonio/ Creator: Franciscan friars

This is one of the earliest uses of engineered water supply and irrigation systems in the United States. The first of eight original acequias was under construction in 1718 and two are still in operation. The remains of one are visible on the grounds of the Alamo. The Acequias of San Antonio are among the earliest engineered water supply and irrigation systems recorded in the United States. The Acequias served an integral role in the growth and stability of the San Antonio community for nearly 200 years.

YearAdded:
1968
Image Credit: Courtesy: Flickr/Amy the Nurse (CC BY-ND 2.0) Image Caption: The Espada Aqueduct, running over the Piedras Creek Era_date_from: 1718
Newcomen Engine
Society: ASME Main Category: Mechanical Sub Category: Steam Era: 1700-1749 DateCreated: 1712 Dartmouth Museum Devon State: Zip: 01803 832923 Country: UK Website: http://www.asme.org/about-asme/history/landmarks/topics-m-z/pumping/-70-newcomen-engine-%281712%29 Creator: Newcomen, Thomas, Calley, John

The unprecedented innovation of the steam-atmospheric engine by Thomas Newcomen (1663-1729) of Dartmouth and his assistant John Calley stands at the beginning of the development of practical thermal prime movers in the early years of the eighteenth century. Spreading through Europe and then to the Cornwall mines in the New World, it was one of the strategic innovations in world history and the single greatest act of synthesis in the ensuing history of the steam engine.

YearAdded:
1981
Image Credit: Courtesy Flickr/Charles Pence (CC BY-SA 2.0) Image Caption: A surviving example of the Newcomen Steam Engine, in the Henry Ford Museum (Dearborn, Michigan). Era_date_from: 1712
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