AVE6328658: Man Walks Down Stairs with Hands in Pockets / Bridgeman Images

AVE6328664: Decorations Made from Gold / Bridgeman Images

AVE6328676: Boy Kisses his Mother / Bridgeman Images

AVE6328718: United States, 1980s: microprocessors, fibre optics, and lasers at General Motors site / Bridgeman Images

AVE6328760: 1920s: Women stand side by side, waving / Bridgeman Images

AVE6328778: 1920s: Woman stand around seated man on beach / Bridgeman Images

AVE6328904: United States, 1970s: view through windscreen of car at night / Bridgeman Images

AVE6328910: United States, 1970s: view of road at night / Bridgeman Images

AVE6328919: United States, 1970s: view through window of car at night / Bridgeman Images

AVE6328941: United States, 1970s: plane flies in sky over fields / Bridgeman Images

AVE6328944: United States, 1970s: man gets out of plane / Bridgeman Images

AVE6328956: United States, 1970s: view through windshield of car / Bridgeman Images

AVE6328974: United States, 1930s-1940s: A crane arm rises out of a hold on a cargo ship / Bridgeman Images

AVE6328977: United States, 1970s: view of ground from plane / Bridgeman Images

AVE6328989: United States, 1930s-1940s: Molten iron pours into a channel opening / Bridgeman Images

AVE6329001: United States, 1970s: kitchen in ruined house / Bridgeman Images

AVE6329037: United States, 1930s-1940s: An open hearth worker wearing a welding mask uses a long implement to churn a vat of molten metal / Bridgeman Images

AVE6329043: United States, 1930s-1940s: An oven door closes over an ingot / Bridgeman Images

AVE6329058: United States, 1930s-1940s: An electric control operator runs a white hot ingot through a rolling machine where it is flattened and cut into smaller rectangles / Bridgeman Images

AVE6329073: United States, 1930s-1940s: factory workers test the gauge of small engine parts / Bridgeman Images

AVE6329088: United States, 1930s-1940s: Factory worker affixes a final part to an engine block / Bridgeman Images

AVE6329124: 1940s: Boats on waterway / Bridgeman Images

AVE6329145: At sunrise, a farmer prepares to feed his animals / Bridgeman Images

AVE6329184: 1940s: Men shovel oysters on boat / Bridgeman Images

AVE6329190: 1940s: Boats on water, Men pull nets out of water / Bridgeman Images

AVE6329196: A 1684-foot tower between Dallas and Fort Worth that broadcasts different channels / Bridgeman Images

AVE6327751: United States, 1990s: Photographs of galaxies / Bridgeman Images

AVE6327754: United States, 1990s: Animation of space, galaxy forming / Bridgeman Images

AVE6327793: America, c.1990s: POV from base of robotic arm: Astronaut in space, attached to robotic arm, carrying a satellite capture bar / Bridgeman Images

AVE6327796: America, c.1990s: Extreme long shot from below the space shuttle Endeavour as it soars into the sky / Bridgeman Images

AVE6327802: 1950s: Male professor stands at chalkboard with drawing of two people / Bridgeman Images

AVE6327814: 1950s: Couples dance in formalwear / Bridgeman Images

AVE6327817: 1950s: Male and female students participate in class discussion / Bridgeman Images

AVE6327841: 1950s: Male professor stands next to tape player / Bridgeman Images

AVE6327844: America, c.1990s: Medium close up: Astronaut in space receives telecom instruction while trying to attach capture bar on satellite / Bridgeman Images

AVE6327850: America, c.1990s: Medium shot: Astronaut in space receives telecom instruction while attaching capture bar on satellite / Bridgeman Images