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A Crawford burner is a device used to test burn rate (chemistry) of solid propellants. It is also known as a strand burner. A Crawford burner consists of a small pressure vessel in which a thin bar of propellant to be tested is mounted on a stand. The bar is coated with an external coating so that burning cross-sectional surface is restricted.
This is a list of Native American archaeological sites on the National Register of Historic Places in Pennsylvania.. Historic sites in the United States qualify to be listed on the National Register of Historic Places by passing one or more of four different criteria; Criterion D permits the inclusion of proven and potential archaeological sites. [1]
Steelville is a city in Crawford County, Missouri, United States. The population was 1,472 at the 2020 census. It is the county seat of Crawford County. [5] Steelville is the hometown of Congressman Albert Reeves and Missouri State Representative Jason Chipman. The town was named after the landowner James Steel.
The Steel Heddle Manufacturing Company Complex is an historic, American factory complex that is located in the Allegheny West neighborhood of Philadelphia, Pennsylvania, United States. It was added to the National Register of Historic Places in 2010.
In 1857, James Jr. founded the Lake Superior Copper Works to sheath ship hulls. After encountering Hussey, Howe and Wells, he followed them into manufacturing crucible steel. Park built the Black Diamond (Park) Steel Works, and had interests in a suspension-bridge company and several banks. David's sons, David E. Jr., William G. and James H ...
Gardner Cave is located in extreme northeastern Washington state inside Crawford State Park. [2] Gardner Cave is the longest limestone cave in Washington state with a length of 1,055 feet (322 m). [3] Only the first 494 feet (151 m) are open to public access. [4]
Notable buildings include the Crawford County Courthouse, Ralston Block (1880-1890), Kronenfeld Building, Market House (1870), Crawford County Trust Building (1920), U.S. Post Office (1907), Masonic Building, Keystone View Company, and Academy of Music. [2] It was added to the National Register of Historic Places in 1984. [1]
Crawford State Park (Washington) This page was last edited on 28 December 2019, at 04:04 (UTC). Text is available under the Creative Commons Attribution ...