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A circular iron stairway leads up to the ornate New Orleans style cast iron gazebo purchased and installed by Robert Allerton in 1924. [31] Glass doors and windows were added in 1986 for security, but the doors were removed in 2004.
Yett hanging in the main entrance of Blackness Castle, Scotland, showing attached bolts and pierced construction.Wrought in 1693. [1]A yett (from the Old English and Scots language word for "gate") [2] is a gate or grille of latticed wrought iron bars used for defensive purposes in castles and tower houses. [3]
Edgar William Brandt (24 December 1880 – 8 May 1960) was a French ironworker and prolific weapons designer. In 1901 he set up a small workshop at 76 rue Michel-Ange in the 16th arrondissement in Paris, where he began designing, silversmithing, and forging small items such as jewelry, crosses, and brooches.
Wrought iron is a form of commercial iron containing less than 0.10% of carbon, less than 0.25% of impurities total of sulfur, phosphorus, silicon and manganese, and less than 2% slag by weight. [18] [19] Wrought iron is redshort or hot short if it contains sulfur in excess quantity. It has sufficient tenacity when cold, but cracks when bent or ...
Arguably this is the first true skyscraper. The use of a thin curtain wall in place of a load-bearing wall reduced the building's overall weight by two thirds. Another feature that was to become familiar in 20th-century skyscrapers first appeared in Chicago's Reliance Building, designed by Charles B. Atwood and E.C. Shankland, Chicago, 1890 ...
Frederick S. Holmes was an American safe and vault engineer, [1] and inventor who designed the largest vaults in the world. During his career, Holmes designed over 200 vaults throughout the United States, Canada and Japan from 1895 [2] to 1941.
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