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File:武经总要前集卷十二 霹雳火球制法.jpg

Summary

Description
English: Instruction for making fire cracker ball
Date 1044
Source Wujing Zongyao 武经总要
Author 曾公亮 11th century

Licensing

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Author Picasa
Software used Picasa
Exif version 2.2
Unique image ID dfb1f7b367c4992b8e30d418855ef18a

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