AVE6328323: Russia, 1950s: treads of tank seen from below / Bridgeman Images

AVE6328326: 1980s: President John F / Bridgeman Images

AVE6328332: Russia, 1950s: ladies listen to speaker / Bridgeman Images

AVE6328335: 1980s: Man wears headset / Bridgeman Images

AVE6328344: 1980s: Rocket sits on launch pad, the sun behind it / Bridgeman Images

AVE6328365: 1980s: Space Shuttle is backed into hangar / Bridgeman Images

AVE6328383: Russia, 1950s: nurse examines baby / Bridgeman Images

AVE6328419: Two Men Demonstrate Static Charge / Bridgeman Images

AVE6328506: United States, 1960s: lady holds new baby in back of car / Bridgeman Images

AVE6328509: United States, 1960s: man puts towel on lady after birth / Bridgeman Images

AVE6328524: United States, 1960s: police man talks to medic at hospital / Bridgeman Images

AVE6328536: United States, 1960s: Group of singers walk onto stage from behind screen, sings into camera / Bridgeman Images

AVE6328548: United States, 1960s: Close up of alarm clock / Bridgeman Images

AVE6328569: United States, 1960s: Coffee poured from percolator / Bridgeman Images

AVE6328575: United States, 1960s: Close up of switch, hands turns from low to high / Bridgeman Images

AVE6328578: United States, 1960s: Girl puts bread in toaster, looks at camera and waves hands / Bridgeman Images

AVE6328593: United States, 1960s: Woman writes at dressing table, gets up, removes peignoir and sits on bed / Bridgeman Images

AVE6328954: United States, 1970s: cars on road at night / Bridgeman Images

AVE6328960: United States, 1970s: storm clouds form in sky / Bridgeman Images

AVE6328984: United States, 1970s: radio on table / Bridgeman Images

AVE6328987: United States, 1970s: people hide behind wall as tornado touches ground / Bridgeman Images

AVE6328999: United States, 1930s-1940s: A line of engine blocks exit a drilling machine / Bridgeman Images

AVE6329005: United States, 1930s-1940s: A worker scoops molten metal out of an electric furnace to perform a test pouring in a cylindric tester / Bridgeman Images

AVE6329047: United States, 1930s-1940s: A worker eats a pastry while looking at a book in another worker's hands / Bridgeman Images

AVE6329059: United States, 1930s-1940s: A white hot ingot slides down onto a conveyer belt / Bridgeman Images

AVE6329065: United States, 1930s-1940s: A medium shot of a factory floor with large machines / Bridgeman Images

AVE6329095: United States, 1930s-1940s: A factory worker affixes an engine part to a v8 engine block as it moves down a conveyor belt / Bridgeman Images

AVE6329104: United States, 1930s-1940s: Two factory workers place a steel sheet onto a press that shapes it into the form of a car exterior / Bridgeman Images

AVE6329146: After feeding animals, a farmer and his wife drive out in a convertible / Bridgeman Images

AVE6329161: People walk in different settings as cars drive through a highway / Bridgeman Images

AVE6329164: 1940s: Men shovel oysters into ocean / Bridgeman Images

AVE6329185: 1940s: Men empty net and throw net back into water / Bridgeman Images

AVE6329219: 1940s: Man fastens rope to pole / Bridgeman Images

AVE6329237: 1940s: Boats docked in harbor / Bridgeman Images

AVE6329255: UNITED STATES 1960s: Close up, line of type in machine. / Bridgeman Images

AVE6329267: UNITED STATES 1960s: Close up, man looks through viewer. / Bridgeman Images