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cast iron

cast iron. Also known as grey iron, it is cast in moulds (usually fine compacted sand), and has enjoyed much use in architecture since C17 for street furniture, railings, screens, gates, and decoration, all of which are reproduced from moulds taken from an original model (often of wood). Strong in compression (but weak in tension) it could be used for columns, but for beams it was problematic as it is easily fractured. In the second half of C18 it began to be used to support galleries in churches, and was used to great effect by Nash at Carlton House Terrace, the Mall, London (1827–33), for the row of Greek Doric columns on the Mall front (which would have been far more expensive to make individually of stone). It began to be used structurally from the time of the building of the Iron Bridge in Salop. (1777–9) (see iron). Whole façades were made of cast iron (and kits of parts) to designs by Badger, Baird, and Bogardus in C19. Vast quantities of cast-iron lamps, street furniture, railings, urinals, architectural decorations, grilles, gates, etc., were produced by firms such as the Carron and Saracen foundries in Scotland and the Coalbrookdale Ironworks, Salop., and exported all over the British Empire. Cast-iron components contributed an enormous amount to the interest of townscape, which has been impoverished by the loss of so much (especially in Great Britain during the 1939–45 war, which was more to do with social engineering and propaganda than with the war effort).

Bibliography

Aitchison (1960);
Fairbairn (1869, 1870);
G&G (1974);
Loudon (1834);
W. Papworth (ed.) (1852);
E. G. Robertson & and J. Robertson (1994);
Sturgis et al. (1901–2)

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"cast iron." A Dictionary of Architecture and Landscape Architecture. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cast iron." A Dictionary of Architecture and Landscape Architecture. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/cast-iron

"cast iron." A Dictionary of Architecture and Landscape Architecture. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/cast-iron

cast-iron architecture

cast-iron architecture, a term used to designate buildings that incorporate cast iron for structural and/or decorative purposes. After 1800 cast-iron supports were exploited as an alternative to masonry, and with the introduction of wrought-iron beams at mid-century, an efficient, prefabricated method of skeletal construction was possible, of which the most notable example was Joseph Paxton's Crystal Palace (1851) in London. Iron and glass canopies were used to cover such diverse structures as shopping arcades, library reading rooms, and the vast new railway terminals. In the United States, James Bogardus pioneered the use of cast-iron commercial facades, which combined utility with the easy replication of attenuated classical orders in repeated bays.

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"cast-iron architecture." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cast-iron architecture." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cast-iron-architecture

"cast-iron architecture." The Columbia Encyclopedia, 6th ed.. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cast-iron-architecture

cast iron

cast i·ron • n. a hard, relatively brittle alloy of iron and carbon that can be readily cast in a mold and contains a higher proportion of carbon than steel (typically 2.0–4.3 percent). ∎  [as adj.] fig. firm and unchangeable: there are no cast-iron guarantees.

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"cast iron." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

"cast iron." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (August 16, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/cast-iron

"cast iron." The Oxford Pocket Dictionary of Current English. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/cast-iron

cast iron

cast iron: see iron.

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"cast iron." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 16 Aug. 2017 <http://www.encyclopedia.com>.

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"cast iron." The Columbia Encyclopedia, 6th ed.. . Retrieved August 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/cast-iron