AVE6326228: 1970s: Man talking on diving station / Bridgeman Images

AVE6326231: 1970s: Men on diving station, dolphin swimming, zoom in on dolphin / Bridgeman Images

AVE6326246: 1970s: View of diving station from ship / Bridgeman Images

AVE6326249: 1970s: Men on diving station pulling rope / Bridgeman Images

AVE6326258: 1970s: Men tying rope on diving station / Bridgeman Images

AVE6326052: United States, 1950s: Scientist opens lead vault / Bridgeman Images

AVE6326070: United States, 1950s: Man inserts part into cyclotron / Bridgeman Images

AVE6326082: Man walks Lady to Her House Along Railway Tracks / Bridgeman Images

AVE6326086: United States, 1950s: Aerial view of plane / Bridgeman Images

AVE6326099: Lady Puts Bag on Office Floor and Takes Out a Key / Bridgeman Images

AVE6326102: Two Men Look at Lady Through Window / Bridgeman Images

AVE6326111: Steam Engine Rushes Along Tracks as Burglars Try to Break in to Station Office / Bridgeman Images

AVE6326114: Train Driver Rushes to Aid of Lady in Distress as Two Men Try to Break in to Office / Bridgeman Images

AVE6326142: 1980s: Jetliner takes off from runway / Bridgeman Images

AVE6326149: 1980s: Smoke is blown into hangar and test plane taxis through it, creating jet streams / Bridgeman Images

AVE6326159: 1980s: Bi-plane dusts field of crops / Bridgeman Images

AVE6326162: 1980s: Model plane in wind tunnel / Bridgeman Images

AVE6326174: 1980s: Airplane lands on runway / Bridgeman Images

AVE6326177: 1980s: Man stands in front of airplane and computer monitor, talking, while pointing at monitor / Bridgeman Images

AVE6326230: 1970s: Books on shelf / Bridgeman Images

AVE6326245: 1970s: Close up of gauge / Bridgeman Images

AVE6326263: 1970s: Men look at plans around table, zoom in on man talking / Bridgeman Images

AVE6326266: 1970s: Underwater bubbles / Bridgeman Images

AVE6326293: India, c.1930: Indian men in varying dress sit cross legged at a rally, ceremony / Bridgeman Images

AVE6325408: 1950s: Girl eats cookie / Bridgeman Images

AVE6325423: United States, 1950s: Slow motion footage of basketball game / Bridgeman Images

AVE6325426: United States, 1950s: Slow motion footage of basketball game / Bridgeman Images

AVE6325457: United States, 1950s: Slow motion footage of basketball game / Bridgeman Images

AVE6325469: 1950s: Girl reads picture book / Bridgeman Images

AVE6325472: United States, 1980s: side profile of lady's face / Bridgeman Images

AVE6325478: United States, 1980s: car on street / Bridgeman Images

AVE6325538: Vehicle Passes by Building / Bridgeman Images

AVE6325557: Man Sat in Car Takes Hot Dog Off Window Tray and Takes a Bite / Bridgeman Images

AVE6325665: United States, 1950s: Two men on set, stand and throw basketball / Bridgeman Images

AVE6326345: United States, 1960s: An angry crowd retreats backward as police officers use their batons / Bridgeman Images

AVE6326387: United States, 1960s: As tear gas fills the environment, protesters begin running away to shield its temporary effects / Bridgeman Images