NAKARAJAN

HIRAM MAXIM ,INVENTOR OF MACHINE GUN  BORN 1840 FEBRUARY 5 Born in 1840, FEBRUARY 5 Hiram Maxim was a prolific inventor of mousetraps, sprinkler systems, and eventually, weaponry. His most successful invention, the world’s first portable machine gun, saw extensive use in World War I and earned him a knighthood (although his work on the roaring machine would later make him deaf). Maxim may have even invented the incandescent light bulb prior to Thomas Edison, but according to legend, Edison was simply more well-versed in patent law and stole the credit out from under Maxim. With such a diverse portfolio, it is little wonder that the inventor tried his hand at early aeronautics, which led to the development of the so-called “captive flying machines.” In order to bring attention to and fund his newly-developed flying machine (a massive steam-powered folly), Maxim created fun fair attractions that would simulate human flight and raise interest in the project. The...

JOHN BOYD DUNLOP ,SCOTLAND INVENTOR BORN 1840 FEBRUARY 5 John Boyd Dunlop (5 February 1840 – 23 October 1921) was a Scottish inventor and veterinary surgeon who spent most of his career in Ireland. Familiar with making rubber devices, he re-invented pneumatic tyres for his child's tricycle and developed them for use in cycle racing. He sold his rights to the pneumatic tyres to a company he formed with the president of the Irish Cyclists' Association, Harvey Du Cros, for a small cash sum and a small shareholding in their pneumatic tyre business. Dunlop withdrew in 1896. The company that bore his name, Dunlop Pneumatic Tyre Company, was not incorporated until later using the name well known to the public, but it was Du Cros's creation. Veterinary practice[edit source] He was born on a farm in Dreghorn, North Ayrshire, and studied to be a veterinary surgeon at the Dick Vet, University of Edinburgh, a profession he pursued for nearly ten years at home, movi...