Editing Flamethrower (section)

=== 18th century ===
In 1702, the Prussian Army tested P. Lange's "serpent-fire-spray<nowiki>''</nowiki> (Schlangen-Brand-Spritze) who produced a jet of fire {{convert|12|ft|m|0|order=flip}} wide and {{cvt|120|ft|m|sigfig=1|order=flip}} long; two years later it was rejected as useless.<ref name=":3">{{Cite book |last=McKinney |first=Leonard L. |title=Chemical Corps Historical Studies - Portable Flame Thrower Operations in World War II}}</ref>

[[Peter the Great|Peter the Great's]] chief engineer Vasily Dmitrievich Korchmin designed various incendiary weapons, such as incendiary rockets and furnaces for heating cannonball; two Russian ships the “Svyatoy Yakov” and “Landsou” were armed with flamethrower tubes designed by him. He also developed instructions for their use together with the Tsar.<ref>{{Cite web |title=Интересные факты из истории флота |url=http://www.navy.su/other/fact.htm |access-date=2023-12-15 |website=www.navy.su}}</ref>

In the 1750s a French engineer named Dupre, developed a new flammable mixture; it was tested in LeHavre and set fire to a sloop. During the British shelling of LeHavre in 1759, the French War Minister tried to obtain authorization to use this fuel.<ref name=":3" />