No Joseph Swan was an Englishman.
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Joseph Swan was inspired by Edison's incandescent light bulb to extrude filaments of artificial silk. This artificial silk was woven into fabric, which today is called rayon.
He made it out of carbonized paper filaments in an evacuated glass bulb.
No he was not.
The Joseph Smith that invented the lawn sprinkler was notthe same Joseph Smith that founded Mormonism.The Joseph Smith that invented the lawn sprinkler was a black American slave. We know very little about him but can assume that he invented the sprinkler to make watering the lawn easier!
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