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American historic carpentry is the historic methods with which wooden buildings were built in what is now the United States since European settlement. A number of methods were used to form the wooden walls and the types of structural carpentry are often defined by the wall, floor, and roof construction such as log, timber framed, balloon framed ...
The 1865 Annual Report of the President and Directors of the Louisville and Nashville Railroad Company lists 29 Fink Truss bridges out of a total of 66 bridges on the railroad. The first Fink Truss bridge was built by the Baltimore and Ohio Railroad in 1852 to span the Monongahela River at Fairmont, Virginia (now West Virginia). It consisted of ...
The Pratt truss form, invented in 1844 by Thomas and Caleb Pratt, is the most common truss form in California and the United States. This form first appeared as a "combination truss" built in wood and iron with wooden vertical members, chords, and endposts, and iron tension diagonals. The basic form changed to all-metal construction by the 1880s.
Ohio and Erie Canal, Tinkers Creek Aqueduct: Replaced Pratt truss: 1826 1986 Ohio and Erie Canal: Tinkers Creek: Valley View: Cuyahoga: OH-61: Ohio and Erie Canal, Furnace Run Aqueduct Ruin Bowstring arch truss: 1859 1986 Ohio and Erie Canal
The Romans substituted bronze for wood in the roof truss(s) of the Pantheon's portico which was commissioned between 27 BC and 14 AD. The bronze trusses were unique but in 1625 Pope Urban VIII had the trusses replaced with wood and melted the bronze down for other uses. The Romans also made bronze roof tiles.
Few iron truss bridges were built in the United States before 1850. Truss bridges became a common type of bridge built from the 1870s through the 1930s. Examples of these bridges still remain across the US, but their numbers are dropping rapidly as they are demolished and replaced with new structures.
The American System-Built Homes were modest houses in a series designed by architect Frank Lloyd Wright. They were developed between 1911 and 1917 to fulfill his interest in affordable housing but were sold commercially for just 14 months. The Wright archives include 973 drawings and hundreds of reference materials, the largest collection of ...
All-iron Howe trusses began to be built about 1845. [2] Examples include a 50-foot (15 m) long iron Howe truss was built for the Boston and Providence Railroad [2] [30] and a 30-foot (9.1 m) long railroad bridge over the Ohio and Erie Canal in Cleveland. [31] [32]