Inventions That Shook The World - The 1910's

Saving lives and taking lives are the hallmarks of the inventions of the 1910s. The umbrella supplies the inspiration for a new device that lets airplane pilots parachute to safety. Sonar navigation comes to the aid of ships at sea; and a garment manufacturer develops the first safety hood to protect firefighters inside burning buildings. From charcoal to lightly browned, the quest for perfect toast is finally realized. And, the Tommy Gun unleashes the fearsome power of the machine gun.