AVE6328743: United States, 1980s: tyre pressure testing in lab / Bridgeman Images

AVE6328770: United States, 1960s: man drives along expressway / Bridgeman Images

AVE6328776: 1920s: Young girls dance in unison / Bridgeman Images

AVE6328791: 1920s: Man and woman dance in grass as people watch / Bridgeman Images

AVE6328800: United States, 1940s: Cows graze in field by river / Bridgeman Images

AVE6328809: United States, 1940s: Animated patterns on blue background / Bridgeman Images

AVE6328821: 1970s: Astronaut from upside down in spaceship / Bridgeman Images

AVE6329812: United States, c.1951: Ropes hang from a widened hole in a sparsely-populated area in Italy / Bridgeman Images

AVE6329914: 1960s: Man in suit talks on phone in car showroom / Bridgeman Images

AVE6329938: 1960s: Man at desk is handed roll of documents / Bridgeman Images

AVE6329953: Immigrant Children Smiling as they Arrive in New York by Boat / Bridgeman Images

AVE6329965: Men Carrying Coffin of President William McKinley / Bridgeman Images

AVE6329992: Man Fixing Automobile / Bridgeman Images

AVE6329998: Father and Son Turn the Car Engine Ready for Family Outing / Bridgeman Images

AVE6330023: United States, 1930s-1940s: Workers use a glass cutting machine to cut a pane of glass / Bridgeman Images

AVE6330029: United States, 1930s-1940s: Workers in a factory begin assembling completed car parts into a fully built automobile / Bridgeman Images

AVE6330032: Children Participating in Circus Events / Bridgeman Images

AVE6330038: Picnic on a Boat / Bridgeman Images

AVE6330047: Taking a Stroll Along the Promenade at the Seaside / Bridgeman Images

AVE6327706: United States, 1950s: Dr. Goddard establishes rocket history with the launching of his rocket / Bridgeman Images

AVE6327745: 1970s: Boy helps students exit from the back of a school bus / Bridgeman Images

AVE6327748: United States, 1950s: Control booth interior, man in military uniform with headphones / Bridgeman Images

AVE6327766: United States, 1990s: Magnified views of cells / Bridgeman Images

AVE6327769: United States, 1990s: Spiders on web / Bridgeman Images

AVE6327772: United States, 1990s: Views of workers in front of computers / Bridgeman Images

AVE6327805: America, c.1990s: Inside of NASA mission control center / Bridgeman Images

AVE6327808: 1950s: Classroom of male and female college students / Bridgeman Images

AVE6327829: 1950s: Male professor stands at front of classroom speaking with hands in pockets / Bridgeman Images

AVE6327838: 1950s: Young man stands in front of chalkboard in college classroom / Bridgeman Images

AVE6327853: 1950s: Young woman stands at front of college classroom / Bridgeman Images

AVE6327871: 1950s: Young woman speaks at lectern / Bridgeman Images

AVE6327901: America, c.1990s: Medium close up: Astronaut in space receives telecom instruction while installing capture bar on satellite / Bridgeman Images

AVE6327904: 1960s: Girl dons hair net / Bridgeman Images

AVE6327913: America, c.1990s: Video from inside space shuttle Endeavour of satellite in orbit / Bridgeman Images

AVE6327928: America, c.1990s: Two astronauts on exterior of space shuttle Endeavour while in orbit / Bridgeman Images

AVE6327931: 1960s: Hands pour chemical into graduated cylinder / Bridgeman Images