Important Scientific Invention -III

Scientific Inventions

Invention	Inventor	Year	Country
Nylon	Dr. wallace H. Carothers	1937	U.S.A.
Open Heart Surgery	Walton Lilehel	1953	U.S.A.
Optical Fibre	Narinder Kapany	1955	Germany
Oral Contraceptive Pills	Gregory Pincus, Rock	1955	U.S.A.
Pacemaker	Zoll	1952	U.S.A.
Paper		A.D. 105	China
Pasteurization	Louis Pasteur	1867	France
Pencil	Lacques-Nicolas Conte	1792	France
Penicillin	Alexander Fleming	1928	Britain
Periodic Table	Mendeleyev	1869	Russia
Photo Film, Celluloid	Reichenbach	1893	U.S.A.
Photo Film, Transparent	Goodwin Eastman	1884	U.S.A.
Photocopier	Carlson	1938	U.S.A.
Photoelectric Cell	Julius Elster, Hans F. Geitel	1893	Germany.
Photography (on Film)	John Carbutt	1888	U. S. A.
Photography (on Metal)	J.N. Niepce	1826	France
Photography (on Paper)	W.H. Fox Talbot	1835	Britain
Physiology	Albrecht Von Haller	1757-66	Switzerland
Piano	Cristofori	1709	Italy
Pistol, Revolver	Colt	1836	U. S. A.
Plutonium Fission	Kennedy, Whal, Seaborg, Segre	1940	U.S.A.
Pop-up toaster	Charles Strite	1927	U.S.A.
Positron Emission Tomography	Louis Sokoloff	1978	U.S.A.
Printing (Rotary)	Richard Hoe	1846	U.S.A.
Printing (Web)	William Bullock	1865	U.S.A.
Printing Press	Johann Gutenberg	1455	Germany
Proton	Rutherford	1919	N.Zealand
Quantum Theory	Plank	1900	Germany
Rabies Vaccine	Louis Pasteur	1860	France
Radar	A. H. Taylor & Leo C. Young	1922	U.S.A.
Radio Telegraphy	Dr. Mohlon Loomis	1864	U.S.A.
Radio Telegraphy (Trans Atlantic)	G. Marconi	1901	Italy
Radiocarbon	Libby	1947	U.S.A.
Rayon	Sir Joseph Swan	1883	Britain
Razor (Electric)	Col. Jacob Schick	1931	U.S.A.
Razor (Safety)	King C. Gillette	1895	U.S.A.
Recombinant-DNA Technology	Paul Berg. H.W.Boyer, S. Cohen	1972-73	U.S.A.
Refrigerator	James Harrison, Alexander catlin	1850	U.S.A.
Relativity Theory	Einstein	1905	Germany
Reserpine	Jal Vakil	1949	India
Rh-factor	Karl Landsteiner	1940	U.S.A.
Rubber (Latex Foam)	Dunlop Rubber Co.	1928	Britain
Rubber (Tyres)	Thomas Hancock	1846	Britain
Rubber (Vulcanised)	Charles Goodyear	1841	U.S.A.
Rubber (Water Proof)	Charles Macintosh	1823	Britain
Safety Pin	Walter Hunt	1849	U.S.A.
Safety Razor	King Camp Gillette	1903	U.S.A.
Seat Belt	Volvo	1959	Sweden
Self-Starter	Charles F. Kattering	1911	U.S.A.
Sex Hormones	Eugen Steinach	1910	Austria
Ship (Steam)	I. C. Perier	1775	France
Ship (Turbine)	Hon. Sir C. Parsons	1894	Britain
Silk Manufacture		50 B.C.	China
Skyscraper	W. Le Baron Jenny	1882	U.S.A.
Slide Rule	William Oughtred	1621	Britain
Small Pox Eradicated	W.H.O. Declaration	1980	UN
Spinning Frame	Sir Richard Arkwright	1769	Britain
Spinning Jenny	James Hargreaves	1764	Britain
Spinning Mule	Samuel Cromption	1779	Britain
Steam Engine	Thomas Savery	1698	Britain
Steam Engine (Condenser)	James Watt	1765	Britain
Steam Engine (Piston)	Thomas Newcomen	1712	Britain
Steel (Stainless)	Harry Brearley	1913	Britain
Stethoscope	Laennec	1819	French
Stethoscope	Rene Laennec	1819	France
Streptomycin	Selman Waksman	1944	U.S.A.
Submarine	David Bushnell	1776	U.S.A.
Super Computer	J.H. Van Tassel	1976	U.S.A.
Synthesiser	Moog	1964	U.S.A.
Synthetic Antigens	Landsteiner	1917	U.S.A.