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Plaster expands while hardening then contracts slightly just before hardening completely. This makes plaster excellent for use in molds, and it is often used as an artistic material for casting. Plaster is also commonly spread over an armature (form), made of wire mesh, cloth, or other materials; a process for adding raised details.
Universal began in a multi-story Chicago Ave. where they made mostly plaster/chalkware products. In the 1950s they moved to a new second single story building located on Ogden Ave., where they began working with experimental composites.
Alice "Zani" Jacobsen (1928–1993), was an American postwar and contemporary sculptor who resided on the North Side of Chicago. [1] She is known for her plaster sculptural reliefs of buildings, structures, and famous landmarks that she felt "'represent an important Chicago style' or demonstrate an innovative solution to technical construction problems."
In 1909, Avery led the USG acquisition of the Sackett Plaster Board Company, [13] inventor of Sackett Board, which was a panel made of multiple layers of plaster and paper. Patented by USG in 1912, a new manufacturing process produced boards with a single layer of plaster and paper that could be joined flush along a wall with a relatively ...
Fort Dearborn depicted as in 1831, sketched 1850s although the accuracy of the sketch was debated soon after it appeared.. The first settler in Chicago was Jean Baptiste Point du Sable, a Frenchman of European and African descent, [11] who built a farm at the mouth of the Chicago River in 1788 to 1790 [a].
A landmark lost to history and is considered the world's first skyscraper. Chicago Water Tower and Chicago Avenue Pumping Station, circa 1886. 1886 May 4, the Haymarket riot. [20] Chicago Evening Post published (until 1932). [1] 1887: Newberry Library established. 1888: Dearborn Observatory rebuilt. 1889 Hull House founded. [1] [21] Auditorium ...
Manila hemp fiber has been used as a substitute for hair. Plaster for hair slabs made with manila hemp fiber broke at 195 pounds (88 kg), plaster mixed with sisal hemp at 150 pounds (68 kg), jute at 145 pounds (66 kg), and goats' hair at 144 pounds (65 kg). [citation needed] Another test was made in the following manner. Two barrels of mortar ...
The location of the fair was decided through several rounds of voting by the United States House of Representatives. The first ballot showed Chicago with a large lead over New York, St. Louis and Washington, D.C., but short of a majority. Chicago broke the 154-vote majority threshold on the eighth ballot, receiving 157 votes to New York's 107. [11]