Edmund David discovered acetylene gas.
1856: British physicist James Joule discovered the principle of resistance welding.
1959: DeVille and Debray invented hydrogen-oxygen welding.
188 1 year: the earliest carbon arc welding machine was invented by Demery Ence, a Frenchman.
188 1 year: it took Dr. R. H. Thurston of the United States six years to complete all the experiments on the strength and ductility of a full range of copper-zinc alloy solders.
1882: The austenitic manganese steel invented by Robert A. hadfield of England and named after him was patented.
1885: Elihu Thompson of the United States obtained the patent of resistance welding machine.
1885: carbon arc welding technology developed by Benardos Olszewski, Russia.
1888: Russian H. Cлавянов invented metal electrode arc welding.
1889 —— 1890: American C. L. Coffin used bare wires as electrodes for arc welding for the first time.
1890; American C. L. Coffin put forward the concept of welding in oxidizing medium.
1890: Englishman Brown tried to rob a bank for the first time by using oxygen and gas cutting.
1895: The X-ray phenomenon of a beam of electrons passing through a vacuum tube was observed by Konrad Roentgen in Bavaria.
1895: Frenchman Le Chatelier obtained the certificate of inventing oxyacetylene flame.
1898: German Goldschmidt invents thermit welding.
1898: Klebsiella Schmidt invented copper electrode arc welding.
1900: covered electrode with thin skin coating was invented by Strommel in England.
1900: French Fouch and Picard made the first oxyacetylene cutting torch.
190 1 year: German Menne invented oxygen lance cutting.
1904: Oscar Kjelberg of Sweden established the world's first covered electrode factory-ESAB company OK covered electrode factory.
1904: American Avery invented the portable cylinder.
1907: when the old central railway station in new york, USA was demolished, oxyacetylene cutting was used to save more than 20% of the project cost.
1907: 10 in June, Swede O. Kjellberg perfected the covered electrode with thick coating.
Schonherr invented the plasma arc.