-
Telescope
Galileo Galilei -
cotton gin
Inventor;Eli whitney -
Steam locomotive
inventor;Geoge stepenson -
Photography
inventor;Joeseph nice, and Phore niepec -
Jewing machine
Elias hews -
Safety pin
Inventor;Walter hunt -
Motion picture
Iventor;William Licoln -
Telephone
Inventor;Alexander Grham -
Zipper
Inventor;Whitecombli Judson -
Airplane
Inventor;Wibur Wright -
Air condition
Inventor;Willis Havillander Carrier -
Televison
Phillo Farmsworth -
Tape recorder
Inventor;Valdrmar Paulson -
Atomic bomb
Inventor;Robert oppenheaper -
Paper
Cai Lun- Chinese inventor