Saving lives and taking lives are the hallmarks of the inventions of the 1910s. The umbrella supplies the inspiration for a new device that allows 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. The quest for perfect toast is finally realized; and, the Tommy Gun unleashes the fearsome power of the machine gun. (2 of 10)
10.1 and 36.2