-
COTTON GIN
Eli Whitney -
steam locmate
THOMAS SAVERY -
PHOTOGRAPHY
ALHAZEN -
SATEFY PIN
WALTER HUNT -
DYNAMITE
ALFRED NOBLE -
TELEPHONE
ALEXANDER GRAHAN -
AIR CONDITION
WILLIS HAVILAND -
AIR PLANE
WRIGHT BROTHERS -
TELEVISION
PHILO FARNSWORTH -
FROZEN FOOD
CLARENCE BIDEYE -
TAPE RECORDER
JOSEPH BEGUN -
paper
TS;A LUN -
TELESCOPE
HAN'S LIPPERSHEY