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History Of Gunpowder
Beginning of essay
Gunpowder is the oldest of all explosives. It was used by the ancient
Chinese, Arabs, and people of India first. But exact directions on how to make
it were not known to the western World until 1242, when Roger Bacon of Oxford
University, in England published a book in which he told the way ....
Middle of essay
....ng the man who fired it to be in almost as
much danger as the man he was attempting to shoot. Captain Rodman of the
United States Army finally developed a gunpowder that was made into grains
shaped into hexagonal prisms. These prisms were large and had several
rounded parallel grooves in them. When the prisms were placed end to end,
these grooves fitted to make a continuous channel. The flame burned outward
from these grooves and inward from the surface of the prisms. This kept .... |
| Number of words: 1710 |
Approximate pages: 7 |
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