AVE6329024: United States, 1960s: View of circular saw / Bridgeman Images

AVE6329030: United States, 1960s: View of hand sander / Bridgeman Images

AVE6329072: United States, 1930s-1940s: A factory worker weighs v8 engine pistons and places them beside him, where another employee places the pistons on a conveyer belt / Bridgeman Images

AVE6329078: United States, 1930s-1940s: A close-up of the displays on a car engine part testing machine / Bridgeman Images

AVE6329090: United States, 1930s-1940s: A factory worker affixes a small engine part to a v8 engine block as it moves down a conveyor belt / Bridgeman Images

AVE6329099: United States, 1930s-1940s: An aerial shot of the Henry River Rouge plant / Bridgeman Images

AVE6329105: United States, 1930s-1940s: Factory workers move a finished steel car frame from a machine / Bridgeman Images

AVE6329147: A lady spends time in a park to enjoy flowers / Bridgeman Images

AVE6329168: A woman counts money as shoppers try on hats / Bridgeman Images

AVE6329177: A man submits a film reel as another person types an article in a news department / 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

AVE6329300: UNITED STATES 1960s: Montage of cars. / Bridgeman Images

AVE6329312: 1950s: Boys look at electronics store display window / Bridgeman Images

AVE6329327: Man Sipping Drink Whilst Watching Television at Home / Bridgeman Images

AVE6329333: Family Sit Around Television Monitor at Home / Bridgeman Images

AVE6329372: Television Executive Watches Television Programmes on Three Different Monitors / Bridgeman Images

AVE6329402: 1950s: Restless husband flips through book / Bridgeman Images

AVE6326364: United States, 1960s: Police officers pull protest leader by prying him from the grasp of others / Bridgeman Images

AVE6326379: United States, 1960s: As police officers approach protesters, tear gas starts irritating the eyes of the protesters / Bridgeman Images

AVE6326421: United States, 1960s: man speaks in boardroom meeting / Bridgeman Images

AVE6326445: 1970s: A bag of mail drops from a conveyor belt / Bridgeman Images

AVE6326457: 1970s: A boy and his mother at the post office / Bridgeman Images

AVE6328209: Europe, 1940s: repaired roof on building / Bridgeman Images

AVE6328230: UNITED STATES: 1981: Two astronauts move items around cabin and talk with ground control. / Bridgeman Images

AVE6328245: Europe, 1940s: malnourished baby cries in crib / Bridgeman Images

AVE6328251: Man Switches on Radio and Slides Down Steps / Bridgeman Images

AVE6328266: UNITED STATES: 1981: View of Earth and clouds as space shuttle enters Earth's atmosphere / Bridgeman Images

AVE6328269: UNITED STATES: 1981: View of clouds and ocean as space shuttle falls back to Earth / Bridgeman Images

AVE6328272: Lady Receives Formula Milk for her Baby / Bridgeman Images

AVE6328305: 1980s: Man sits in chair talking / Bridgeman Images

AVE6328311: 1980s: Men stand, handing each other papers, reading them and nodding / Bridgeman Images

AVE6328314: Russia, 1950s: lady sits and listens / Bridgeman Images

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