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Percy Spencer

WORD LIST
AERIAL NAVIGATION
AERODYNAMICS
AERONAUTICS
AIRFOILS
AVIATION PIONEER
BASIC FLYING TECHNIQUE
ENGINEERING
FLAPPING WINGS
FLIGHT DATA
FLIGHT RESEARCH
GLIDER
HUMAN FLIGHT
MONOPLANE
ORNITHOLOGY
PHOTOGRAPHY
STABILIZERS
TEST FLIGHTS
TRAGICALLY DIED
WIND TUNNEL
WING DESIGN