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Nitrocellulose - Wikipedia
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Nitrocellulose - Wikipedia
Website URL:
https://en.wikipedia.org/wiki/Guncotton
Category:
Cookery - Bakery
On May 2, 1887, Hannibal Goodwin filed a patent for "a photographic pellicle and process of producing same ... especially in connection with roller cameras", but the patent was not granted until September 13, 1898.
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