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The Copper Kings were industrialists Marcus Daly, William A. Clark, James Andrew Murray and F. Augustus Heinze. They were known for the epic battles fought in Butte, Montana , and the surrounding region, during the Gilded Age , over control of the local copper mining industry, the fight that had ramifications for not only Montana, but the ...
Pages in category "World War II minesweepers of the United States" The following 200 pages are in this category, out of approximately 480 total. This list may not reflect recent changes .
Copper deposits in Wisconsin and Upper Peninsula of Michigan in the Mid-continental Rift System. Copper was discovered one mile northeast of Mineral Point in Iowa County of southwest Wisconsin in 1837 or 1838. The deposit was mined until 1842, then intermittently through 1875, producing an estimated 680 tonnes of copper. [72]
Operation Copper was carried out by the Allied commando unit Z Special Unit, during World War II.The objective of the mission was to investigate the Japanese defences on Muschu Island, capture a Japanese officer for interrogation and discover the location of two naval guns on the island that covered the approaches to Wewak Harbour.
Copper fittings for soldered plumbing joints A very large copper seal end cap. The major applications of copper are electrical wire (60%), roofing and plumbing (20%), and industrial machinery (15%). Copper is used mostly as a pure metal, but when greater hardness is required, it is put into such alloys as brass and bronze (5% of total use). [28]
The copper cents differ from their steel counterparts in four ways: [7] Genuine 1943 copper cents will not be attracted to a magnet. Copper-plated steel cents will exhibit a strong magnetic attraction. Copper cents weigh 3.11 grams. Steel cents weigh 2.702 grams. The numeral 3 in 1943 has the same long tail as the steel cents.
An appeal to self-interest during World War II, by the United States Office of War Information (restored by Yann) Wait for Me, Daddy , by Claude P. Dettloff (restored by Yann ) Selection on the ramp at Auschwitz-Birkenau at Auschwitz Album , by the Auschwitz Erkennungsdienst (restored by Yann )
In Greece, copper was known by the name chalkos (χαλκός). It was an important resource for the Romans, Greeks and other ancient peoples. In Roman times, it was known as aes Cyprium, aes being the generic Latin term for copper alloys and Cyprium from Cyprus, where much copper was mined. The phrase was simplified to cuprum, hence the ...