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The two scientists discovered that saltpeter formed inside the walls of the caves of the doline, under certain conditions of humidity and temperature. [9] Prior to the discovery, nitraries were widespread all over the Kingdom of Naples. Manure was collected by the government and used to make saltpeter, which was a key ingredient for gunpowder ...
Humberstone and Santa Laura Saltpeter Works are two former saltpeter refineries located in northern Chile.They were declared a UNESCO World Heritage Site in 2005, as a testament to the historical importance of saltpeter mining in Chile and the culture and social agenda that developed around it in the late 19th century.
The other mode Old School Runescape offers is Deadman Mode. Released on 29 October 2015, [20] Deadman Mode is a separate incarnation of Old School RuneScape which features open-world player versus player combat and accelerated experience rates. If one player kills another, the victor receives a key to a chest letting them loot valuable items ...
[1] [2] This is a list of saltpeter works in the Tarapacá and Antofagasta regions. The information regarding Saltpeter works on this page is compiled from the data supplied by the National Geospatial-Intelligence Agency, Country Files (GNS). [3] Unique Feature Identifier (UFI) is a number which uniquely identifies a Geoname feature. Same UFI ...
The nitrate oficina (saltpeter mine) of Marusia was located in the foothills of the Andes in the región de Tarapacá, about 4 1 ⁄ 2 miles northwest of the town of Huara. Its monthly production was 865 tons of salt. [1] In March 1925, the mine workers went on strike to demand higher pay, a shorter workday, and better working conditions.
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[2]: 387 A stream ran through the cave, and was wide enough so that oxcarts could be used to bring the saltpeter above ground. However, torchlights had to be used to light the cave so that workers could mine the saltpeter from the ground. [3]: 36 At the cave, calcium nitrate, also called niter, is leached from dry soil.
Chilean society faced a crisis from the late 19th century onwards: what was delicately referred to at the time as the "social question" [4] —namely, "the problem of worsening living and working conditions in the country's mining centers and major cities" [5] [6]: 164ff The nitrate miners' strike of December 1907 was the last of a series of strikes and other forms of unrest that began in 1902 ...