AVE6323718: United States, 1970s: teenagers talk to man / Bridgeman Images

AVE6323722: United States, 1970s: man talks to children / Bridgeman Images

AVE6323731: United States, 1960s: workers assemble car / Bridgeman Images

AVE6323735: United States, 1970s: man strokes cow on head / Bridgeman Images

AVE6323750: United States, 1970s: children eat food at table / Bridgeman Images

AVE6323755: United States, 1960s: man investigates air pollution in lab at car manufacture plant / Bridgeman Images

AVE6323756: United States, 1970s: girl eats at table with lady / Bridgeman Images

AVE6323759: United States, 1970s: man in cheese shop talks to boy / Bridgeman Images

AVE6323761: United States, 1970s: teenager interviews man in grocery store / Bridgeman Images

AVE6323762: United States, 1970s: boy talks to mother in kitchen / Bridgeman Images

AVE6323774: United States, 1970s: girl interviews adults / Bridgeman Images

AVE6323777: United States, 1970s: Lady talks to microphone / Bridgeman Images

AVE6323788: United States, 1970s: children share findings from note books / Bridgeman Images

AVE6323789: United States, 1970s: children share findings from note books with man / Bridgeman Images

AVE6323791: United States, 1960s: mechanic tests car / Bridgeman Images

AVE6323805: United States, 1970s: children point at camera / Bridgeman Images

AVE6323806: United States, 1960s: man fishing by sea / Bridgeman Images

AVE6323814: United States, 1960s: sulphur dioxide pollution from factory chimney stack / Bridgeman Images

AVE6323816: United States, 1960s: traffic on road in city / Bridgeman Images

AVE6323820: United States, 1960s: model shows urban transportation developments / Bridgeman Images

AVE6323823: United States, 1970s: people eat food at buffet / Bridgeman Images

AVE6323825: United States, 1970s: girl plays piano / Bridgeman Images

AVE6323826: United States, 1960s: workers build intercity homes / Bridgeman Images

AVE6323830: United States, 1960s: man speaks to employees / Bridgeman Images

AVE6323834: United States, 1960s: scouts visit factory / Bridgeman Images

AVE6323910: United States, 1940s: stars in sky / Bridgeman Images

AVE6323918: United States, 1940s: sand grains fall from hand / Bridgeman Images

AVE6324211: United States 1950s: A scientist in a cancer research hospital works with atomic material in a testing chamber / Bridgeman Images

AVE6326268: India, c.1930: A pilgrimage of Indian men / Bridgeman Images

AVE6326272: 1970s: View of diving station from ocean surface / Bridgeman Images

AVE6326274: 1970s: Aerial view of ship pulling diving station / Bridgeman Images

AVE6326277: 1970s: View of ocean surface from water / Bridgeman Images

AVE6326281: 1970s: Divers inspect portions of submerged diving station / Bridgeman Images

AVE6326282: 1970s: Man at control panel talks into radio / Bridgeman Images

AVE6326306: India, c.1930: A man fills a bucket with water and a second man pours the water into a large, black pan / Bridgeman Images

AVE6326317: United States, 1960s: A crowd watches at a sports event while a fight breaks out in a scene of an accident and people protest outside a building / Bridgeman Images