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Old 07-29-2016, 02:40 PM   #116 (permalink)
jamesqf
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Quote:
Originally Posted by Old Tele man View Post
A: From "used" beer!
And horse/cow manure. Interesting instructions from the government (presumably the CSA, given the date) on how to produce it: Joseph Leconte, 1823-1901. Instructions for the Manufacture of Saltpetre
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