|
Adding Machine
|
Blaise Pascal & William
Burroughs
|
|
Air Conditioning
|
Carrier
|
|
Air Plane (Jet Engine)
|
Whittle
|
|
Air-brake
|
George Westinghouse
|
|
Airplane with motor
|
Orville and Wright
|
|
Airship
|
Giffard
|
|
Airship (Non-rigid)
|
Zeppelin
|
|
Aniline Dyes
|
Hoffman
|
|
Animal Classification
|
Aristotle (Father of Zoology)
|
|
Anti-polio Vaccine
|
Jonas E.Salk
|
|
Antiseptic Surgery
|
Joseph Lister
|
|
Arc Lamp
|
C.F.Brush
|
|
Artificial heart
|
Michael de Baxey
|
|
Art of Printing
|
Guttenburg
|
|
Atomic Physics
|
Ernest Rutherford
|
|
Atomic Theory
|
John Dalton
|
|
Atom-breaking up the nucleus
|
Rutherford
|
|
Atomic Numbers
|
Moseley
|
|
Atomic Structure
|
Bohr & Rutherford
|
|
Atomic bomb
|
Otto Hahn
|
|
Automobile (Self Starter)
|
Kettering
|
|
Automobile (gasoline)
|
Daimler
|
|
Automobile (gears)
|
Benz
|
|
Automobile (magneto)
|
Daimler
|
|
Automobile (Steam)
|
Nicolas Cugnot
|
|
Avogradra’s Hypothesis
|
Avogadro
|
|
Ayurveda
|
Atreya
|
|
Bacteria
|
Leeuwenhock
|
|
Ball Point Pen
|
John Loud
|
|
Balloon
|
Montgolfier
|
|
Barometer
|
Torricelli
|
|
Battery & Current Electricity
|
Volta
|
|
Beriberi (cause)
|
Eijkman
|
|
Bicycle
|
Macmillan
|
|
Bicycle tyre
|
Dunlop
|
|
Bifocal lens
|
Franklin
|
|
Blood Circulation
|
Harvey
|
|
Blood Transfusion
|
Landsteneir
|
|
Blood grouping
|
Dr.Costella andDr.Moss
|
|
Brownian Movements
|
Robert Brown
|
|
Burglar Alarm
|
Edwin T.Holmes
|
|
Camera
|
Zeiss
|
|
Carburettor
|
Daimler
|
|
Cash Register
|
James Kitty
|
|
Cells in the plants
|
Robert Hooke
|
|
Cell Theory
|
Schleiden & Schwann
|
|
Cement
|
Joseph Aspdin
|
|
Chain Drive
|
Leonardoda Vinci
|
|
Chloroform
|
James Young Simpson
|
|
Cholera bacillus
|
Robert Koch
|
|
Chronometer
|
John Harrison
|
|
Cinema
|
Nicolas Lumiere & Edison
|
|
Cinematography
|
Thomas Edison
|
|
Clock Pendulum
|
Huygens
|
|
Computer (Original Model)
|
Charles Babbage
|
|
Computer (electronic)
|
J.G.Brainerd ,J.P.Eckert &
J.W.Manchly
|
|
Cosmic Rays
|
R.A.Millikan
|
|
Crystal Dynamics
|
C.V.Raman
|
|
D.D.T.
|
D. Paul Muller
|
|
DNA (model)
|
Watson and Crick
|
|
Diesel Oil Engine
|
Rudolf Diesel
|
|
Disc Brake
|
Lanchester
|
|
Dynamite
|
Alfred Nobel
|
|
Dynamo
|
Michael Faraday
|
|
Electric Attraction
|
Coulomb
|
|
Electric Battery
|
Volta
|
|
Electric Current, Induction of
|
Michael Faraday
|
|
Electric Energy
|
Joule, James
|
|
Electric Lamp
|
Edison
|
|
Electric Motor (DC)
|
Zenobe Gramme
|
|
Electric Motor (AC)
|
Nikola Tesla
|
|
Electrical Resistance
|
Ohm
|
|
Electricity, Current
|
Volta
|
|
Electrons
|
J.J.Thomson
|
|
Elevator brake (lift)
|
Otis
|
|
Evolution, Theory
|
Charles Darwin
|
|
Film (Musical)
|
Lee de Forest
|
|
Film (talking)
|
Warner Bros.
|
|
Fountain Pen
|
Waterman
|
|
Four Stroke Engine
|
Nikolaus Lotto
|
|
Flying Shuttle
|
John Kay
|
|
Galvanometer
|
Sweigger
|
|
Gas Engine
|
Diamler
|
|
Gas Lighting
|
William Murdock
|
|
Geiger counter
|
Geiger
|
|
Geometry
|
Euclid
|
|
Genetic Code (deciphering)
|
Hargobind Khorana
|
|
Gramophone
|
Thomas Edison
|
|
Gravitation, Laws of
|
Newton
|
|
Gunpowder
|
Roger Bacon
|
|
Heavy Hydrogen
|
H.C.Urey
|
|
Helicopter
|
Broquet
|
|
Helium
|
Janssen & Lockyer
|
|
Homoeopathy
|
Hahnemann
|
|
Hydrogen
|
Henry Cavendish
|
|
Inert Gases (Argon, Neon,
Helium etc)
|
Ramsay
|
|
Insulin
|
F.Banting
|
|
Jet Propulsion
|
Frank Whittle
|
|
Jet Engine
|
Frank Whittle
|
|
Kala-a-zar Fever
|
U.N.Bramachari
|
|
Kidney Machine
|
Kolf
|
|
Laughing Gas
|
Priestley
|
|
Laser
|
Charles Townes
|
|
Lever, Principle of
|
Archimedes
|
|
Lift (power elevator)
|
Otis
|
|
Lightning Conductor
|
Benjamin Franklin
|
|
Logarithms
|
John Napier
|
|
Locomotive
|
Richard Travithick
|
|
Malaria Parasite
|
Dr.Ronald Ross
|
|
Machine gun
|
James Puckle
|
|
Malaria germs
|
Laveran
|
|
Malaria Parasite
|
Dr.Ronald Ross
|
|
Match (safety)
|
J.E.Landstorm
|
|
Mathematics (India)
|
Ramanujan.S.
|
|
Microphone
|
Berliner
|
|
Microscope
|
Jansen (improved by Galileo)
|
|
Microscope (electron)
|
Vladimir KosmeSworykin
|
|
Motor Car
|
Austin
|
|
Motion, Law of
|
Newton
|
|
Motor cycle
|
Edward Butler
|
|
Motor Scooter
|
Greville Bradshaw
|
|
Mitochondria
|
C.Benda
|
|
Natural Selection, Laws of
|
Darwin
|
|
Neon-gas
|
W.Ramsay
|
|
Neon Lamp
|
George Clande
|
|
Neutron
|
Chadwick
|
|
Nuclear Fission
|
Otto Hahn
|
|
Nuclear Physics
|
John Crockfort
|
|
Nylon
|
W.Carothers
|
|
Origin of Life (artificial)
|
Stanley Millar
|
|
Oxygen
|
J.B.Priestley
|
|
Paints
|
Shalimar
|
|
Parachute
|
Andre-Jacques
|
|
Penicillin
|
Alexander Fleming
|
|
Periodic Law
|
Mendeleev
|
|
Phonograph
|
Edison
|
|
Photography
|
L.Daguerre
|
|
Photography (Coloured)
|
Gabriel Lippman
|
|
Pneumatic Tyre
|
Dunlop
|
|
Poliomyelitis (vaccine)
|
Jonas Salk
|
|
Polythene
|
Fawcett
|
|
Pressure Cooker
|
Dennis Papin Robert Boyle
|
|
Printing Press
|
Caxton
|
|
Printing for the Blind
|
Louis Braille
|
|
Quantum Theory
|
Max Planck
|
|
Radar
|
Robert Watson Watt
|
|
Radio Telephone
|
Lee De Forest
|
|
Radio Transmitter
|
Alexanderson
|
|
Radio signals
|
G.Marconi
|
|
Railway Engine
|
Stephenson
|
|
Raman Effect
|
C.V.Raman
|
|
Razor (Safety)
|
Gillette
|
|
Razor (Electric)
|
Jacob Schick
|
|
Rayon
|
Joseph Swann
|
|
Refrigerator
|
Harrison & Catlin
|
|
Relativity, theory of
|
A.Einstein
|
|
Replacing human heart
|
Christian Barnard
|
|
Revolver
|
Samuel Colt
|
|
Rh-factor
|
Karl Landsteiner
|
|
Rubber (latex foam)
|
Dunlop Co.
|
|
Rubber (tyres)
|
Thomas Hancock
|
|
Rubber (vulcanised)
|
Goodyear
|
|
Rubber (waterproof)
|
Macintosh
|
|
Safety Lamp
|
Humphrey Davy
|
|
Safety Matches
|
J.E.Landstorm
|
|
Safety Pin
|
William Hunt
|
|
Safety Razor
|
Gillette
|
|
Salk Vaccine (Anti Polio)
|
Dr.Jonas E.Salk
|
|
Seismograph
|
Robert Mallet
|
|
Sewing Machine
|
Issac Singer
|
|
Ship (Steam)
|
J.C.Pierier
|
|
Ship (turbine)
|
Charles Parsons
|
|
Shorthand
|
Pitman
|
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क्या आपको हमारा किया जा रहा प्रयास अच्छा लगा तो जरूर बताइए.