Blue_Light.JPG
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Summary
Description Blue Light.JPG |
English:
Blue light, a pyrotechnic composition commonly used in the 19th century for night-time signaling and general illumination. Modern reproduction of the 1863 recipe listed in The Ordnance Manual for the Use of the Officers of the United States Army.
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Date | |
Source | Own work |
Author | Hunleybluelight |
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