A fire piston that created warmth and fire from the compression of air in a small tube of bamboo was a posh device invented and used in southeastern Asia, Indonesia, and the Philippines. About 1800 a metal fire piston was independently invented in Europe. In 1827 the English chemist John https://fireratedductworthinsulat79011.bloggazza.com/35591037/a-simple-key-for-fire-rated-ductworth-insulation-unveiled