saltpetre การใช้

• Historic activities are a major part of the Saltpetre Cave tour.
• It also has saltpetre, gunpowder, and lead-smelting works.
• At the same time mining activity in Chile reoriented to saltpetre operations.
• This was used to bring in sulphur and saltpetre, the other ingredients.
• For the preparation of saltpetre, Song Yingxing wrote:
• The reaction was between melted saltpetre and acetic acid which produced a red vapor.
• At the same time their saltpetre trade was disrupted by another rival British company.
• Old recipes use saltpetre which is not recommended.
• This resulted in an improved method of extracting saltpetre and consequently higher quality gunpowder.
• Also near Ashurst are the earthwork remains of a 16th-century saltpetre house.
• Chroniclers of History like De Barros, cassia, saltpetre, and wild nutmeg.
• Exports to Britain included corn, linen, timber, wool, and saltpetre.
• The installation of lime saltpetre was reconstructed in 1948 and launched a year later.
• Papers written by Henshaw on saltpetre and gunpowder were strongly attacked by Henry Stubbe.
• On October 19, 1774, was one of the leaders that burned the saltpetre.
• The East India Company was formed for pursuing trade with the saltpetre, tea and opium.
• Edward I had sulphur and saltpetre, components of gunpowder, brought to the siege from England.
• The city developed during the heyday of the saltpetre mining in Atacama Desert in the 19th century.
• Nevertheless, the British active presence came to an end with the saltpetre crisis during the 1930s.
• In 1963 the first and two year later the second installation line for saltpetre production was launched.