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Black Powder
Beginning of essay
by far has been one of the most remarkable discoveries of this time. It has helped light up our fireworks on the Fourth of July, allowed us to use guns, and to make smoke. The history of is considered to be founded in Italy around the time of the thirteen hundreds. It was supposedly found by t ....
Middle of essay
....such is considered to be ash from the wood of a willow. The different types of can be modeled in such ratios such as 6:5:5 or 6:5:2. Any considerable deviation from such formulas produces a powder which burns more slowly or produces less vigorous effects, and different formulas are used for the compounding of powders for blisting and for other special purposes. There are generally 4 grades of black; Fg, FFg, FFFg, and FFFFg. The particle size of Fg is the largest. FFg is the most versatile. I.... |
| Number of words: 941 |
Approximate pages: 4 |
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