Inventions and Discoveries

Aeroplane - Orville & Wilbur Wright (1903)
Air Conditioning - Carrier (1902)
Airplane (jet engine) - Ohani (1939)
Ball point pen - John J Loud (1888)
Battery - Alessandro Volta (1800)
Bicycle - K Macmillan (1839)
Bifocal lens - Benjamin Franklin (1780)
Bleaching powder - Tennant (1798)
Car (Petrol) - Karl Benz (1888)
Carburettor - Gottlieb Daimler (1780)

Cement (Portland) - Joseph Aspdin (1824)
Computer (Laptop) - Sinclair (1987)
Diesel engine - Rudolf Diesel (1895)
DNA structure - Watson & Crick (1951)
Electric Iron - HW Seeley (1882)
Electric lamp - Thomas Alva Edison (1879)
Electric motor (AC) - Nikola Tesla (1888)
Escalator - GH Wheeler & JW Reno (1894)
Fire Extinguisher - George Manby (1816)
Frequency Modulation - EH Armstrong (1933)