AVE6328983: United States, 1930s-1940s: Workers on an assembly line cast V8 engine blocks / Bridgeman Images

AVE6328986: United States, 1930s-1940s: Workers clean and polish v8 engine blocks / Bridgeman Images

AVE6328995: United States, 1970s: lightening strikes / Bridgeman Images

AVE6328996: United States, 1930s-1940s: A factory worker places an engine block into a machine that rinses it / Bridgeman Images

AVE6328997: United States, 1970s: girl flies plane / Bridgeman Images

AVE6328998: United States, 1970s: plane flies over ground after tornado / Bridgeman Images

AVE6329002: United States, 1970s: people speak to journalist after tornado / Bridgeman Images

AVE6329011: United States, 1970s: girl flies plane / Bridgeman Images

AVE6329014: United States, 1960s: Hands cut wood on table saw / Bridgeman Images

AVE6329018: United States, 1930s-1940s: A factory worker operates a machine that sands a crankshaft / Bridgeman Images

AVE6329023: United States, 1960s: Close up of drill going through metal / Bridgeman Images

AVE6329025: United States, 1930s-1940s: Machine arm dumps scrap steel into a furnace / Bridgeman Images

AVE6329029: United States, 1960s: Football player kicks ball, words 'Hi-Velocity' fly towards camera / Bridgeman Images

AVE6329031: United States, 1930s-1940s: A worker scoops molten metal out of a furnace and pours the metal into a testing cylinder / Bridgeman Images

AVE6329033: United States, 1930s-1940s: A tapped electric furnace pours tons of molten metal into a large open container / Bridgeman Images

AVE6329035: United States, 1960s: Man shaves with electric razor / Bridgeman Images

AVE6329042: United States, 1930s-1940s: A crane arm lifts and moves an ingot of hardened metal across a factory floor / Bridgeman Images

AVE6329046: United States, 1930s-1940s: Several food wagons, pulled along by a truck, enter a Henry Factory / Bridgeman Images

AVE6329048: UNITED STATES 1980s: View of sparks / Bridgeman Images

AVE6329049: United States, 1930s-1940s: Workers at a Henry factory labor on an assembly line / Bridgeman Images

AVE6329060: United States, 1930s-1940s: An electric control operator runs a white hot ingot through the early stages of a rolling machine / Bridgeman Images

AVE6328267: Teenage Girls Skipping and Singing with a Rope / Bridgeman Images

AVE6328268: Teen Girls Dance, Skip, and Sing About Fruit and Vegetables / Bridgeman Images

AVE6328271: UNITED STATES: 1981: Mission control team hard at work as astronauts return to Earth. / Bridgeman Images

AVE6328275: UNITED STATES: 1981: Space shuttle falling back to Earth after flight. / Bridgeman Images

AVE6328278: UNITED STATES: 1981: Men standing up at NASA headquarters as they watch shuttle falling back to Earth. / Bridgeman Images

AVE6328279: UNITED STATES: 1981: Side view of space shuttle as it returns to Earth. / Bridgeman Images

AVE6328283: Boy Pulls Funny Face with Orange Peel / Bridgeman Images

AVE6328286: Russia, 1950s: Man welds metal / Bridgeman Images

AVE6328289: Russia, 1950s: man talks to camera / Bridgeman Images

AVE6328293: Russia, 1950s: smoke from factory chimneys / Bridgeman Images

AVE6328308: 1980s: Rocket launches into space / Bridgeman Images

AVE6328309: Russia, 1950s: men dig away at ground / Bridgeman Images

AVE6328317: 1980s: Man signals to jet on runway for takeoff / Bridgeman Images

AVE6328330: 1980s: President John F / Bridgeman Images

AVE6328342: Russia, 1950s: vehicle pulls metal frame into position / Bridgeman Images