| 1. | Combustion converts less than half the mass of black powder to gas.
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| 2. | Guns were fired using a silk bag containing a black powder propellant.
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| 3. | It took multiple blasts with black powder to even crack the stone.
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| 4. | Out slithers a tall broad-shouldered man, his eyes rimmed with black powder.
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| 5. | This is effective with black powder, but less so with Smokeless powder.
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| 6. | The Elco launch tubes used black powder charges to expel the torpedoes.
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| 7. | Troy weight was customarily used for precious metals, black powder and gemstones.
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| 8. | London was also full of black powder, especially along the river front.
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| 9. | Until the late 19th century, the only available propellant was black powder.
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| 10. | Low explosive Mk II grenades were filled with black powder igniter charge.
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