inventors & their inventions
DESCRIPTION
few inventors and their inventions listed out with their photos related to school projects on 5th std gradeTRANSCRIPT
THOMAS ALVA EDISON ELECTRIC BULB
ALEXANDER GRAHAM BELL TELEPHONE
SIR THOMAS CLIFFORD ALLBUTT CLINICAL THERMOMETER
JOHN LOGIE BAIRD TELEVISION
ORVILLE & WILBUR WRIGHT AEROPLANE