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631 / 1745
WAI:
631
Item:
1
Date:
Subject:
The Pre-history of Gunpowder
Description:
Earliest known written formula for gunpowder, from the Chinese Wujing Zongyao4 of 1004 AD on first page
Notes:
Source:
by Geoff Smith, Apr 2012
Contributor:
Copyright:
WASC:
2294
WAHN:
Location:
FC_wasc
Filename:
wai_0631_01_wasc_2294_01
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