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A self-pressurising dewar (silver) being filled with liquid nitrogen from a larger storage tank (white). A cryogenic storage dewar (or simply dewar) is a specialised type of vacuum flask used for storing cryogens (such as liquid nitrogen or liquid helium), whose boiling points are much lower than room temperature.
Diagram of a vacuum flask Gustav Robert Paalen, Double Walled Vessel. Patent 27 June 1908, published 13 July 1909. The vacuum flask was designed and invented by Scottish scientist James Dewar in 1892 as a result of his research in the field of cryogenics and is sometimes called a Dewar flask in his honour.
The Service and Auditorium Building, built in 1930. The complex contains eleven buildings, nine of which are contributing buildings of the NRHP listing. The contributing buildings, built between 1907 and 1937, are the Administration Building (1907), Bean Building (1913), Power Building (1914), Shipping Building (1915), Meat Building (1923), Cereal Building (1926), Reservoir Building (1927 ...
Rank Name Image Height ft (m) Floors Year Notes 1 U.S. Steel Tower: 841 (256) 64 1970 77th-tallest building in the United States, 5th tallest in Pennsylvania.Has been the tallest building in the city since 1970, and was the tallest building in the state from 1970 until the 1987 completion of One Liberty Place in Philadelphia.
Irregular pattern between Brighton and Arch Streets and between O'Hern and West Park; also roughly bounded by Armandale Street, Carrington Street, Charlick Way, Reddour Street, and West North Avenue 40°27′24″N 80°00′45″W / 40.456667°N 80.0125°W / 40.456667; -80.0125 ( Mexican War Streets Historic
Pages in category "Demolished buildings and structures in Pittsburgh" The following 24 pages are in this category, out of 24 total. This list may not reflect recent changes .
The period of significance for the District is from 1871, when the initial phase of the Dollar Bank building construction was finished, to 1934, 50 years before preparation of the nomination to the NRHP. [3] Some of its structures are: Dollar Bank, 340 4th Ave. (1871) Pittsburgh Stock Exchange, 333 4th Ave. Arrott Building, 401 4th Ave. (1902)
The Bell Telephone Company of Pennsylvania Western Headquarters Building (also known as the Verizon Building) is a structure at 201 Stanwix Street in downtown Pittsburgh, Pennsylvania. The 12-story building, which was built between 1956 and 1957.