| 31. | Each had its crew of gunner, matrosses and drivers, and a group of " saltpetre and charcoal during transport.
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| 32. | Starting, initially, by reworking damaged gunpowder and refining saltpetre for the US Government they quickly moved into gunpowder manufacture.
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| 33. | As the saltpetre decomposes, it oxidises the sulphur to sulfur trioxide, which combines with water to produce sulphuric acid.
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| 34. | It was probably in use for the manufacture of saltpetre when monopolies for its manufacture in England were granted to Germans.
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| 35. | The powder mill opened around 1740 following the expansion of the port in Bristol and increased availability of saltpetre from India.
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| 36. | Saltpetre Cave was mined during the War of 1812 because saltpetre, or potassium nitrate, is a major component in gunpowder.
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| 37. | Saltpetre Cave was mined during the War of 1812 because saltpetre, or potassium nitrate, is a major component in gunpowder.
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| 38. | The Allies had access to large sodium nitrate deposits in Chile ( so called " Chile saltpetre " ) controlled by British companies.
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| 39. | On 9 February, the 1, 811 ton Italian " Buenos Aires ", also carrying saltpetre, was sunk.
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| 40. | These included timber to build Men-of-War, grain to relieve food shortages, and saltpetre used to make gunpowder.
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