The First of Everything
Aeroplane
Antibiotic
Atlas
Canals
Cannon
Catapult
Computer
Crossbow
Electricity
Irrigation
Penicillin
Photographs
Pyramids
Refrigerator
Roads
Steam Engine
Wheel
Aeroplane
Antibiotic
Atlas
Canals
Cannon
Catapult
Computer
Crossbow
Electricity
Irrigation
Penicillin
Photographs
Pyramids
Refrigerator
Roads
Steam Engine
Wheel