Excerpt from A Short History of Chemistry Phlogistic chemists IN england. Rooke's Theory of Combustion. Black. Causticity of Lime and the Alkalies. Latent Heat and other Work. Cavendish. Discovery of Hydrogen. Analysis of the Atmosphere. Priestley. Invention of the Pneumatic Trough. Emigration to America. - Character of his Work. Discovery of Oxygen. Relations of Plants and Animals to the Atmosphere. Imperfect Analytical Work. Views as to Combustion...