PYROTECHNY
A Dictionary of Arts, Manufactures and Mines · 1840 · p. 1064
See Fire-works .
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
A Military Dictionary and Gazetteer (1881)
Zell's Condensed Dictionary (1879)
A Military Dictionary (1810)
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