AVE6328450: United States, 1960s: police man speaks to police officers in meeting / Bridgeman Images

AVE6328453: United States, 1960s: police officer speaks on radio at control / Bridgeman Images

AVE6328454: United States, 1960s: police officer drives at night / Bridgeman Images

AVE6328455: United States, 1960s: police officer speaks on radio in car at night / Bridgeman Images

AVE6328459: United States, 1960s: police officer points to keep calm words on blackboard / Bridgeman Images

AVE6328461: United States, 1960s: police officers speak in classroom / Bridgeman Images

AVE6328466: United States, 1960s: police officer talks to men after presentation in classroom / Bridgeman Images

AVE6328468: United States, 1960s: police officer talks to men after presentation in classroom / Bridgeman Images

AVE6328474: United States, 1960s: police officer talks to men after presentation in classroom / Bridgeman Images

AVE6328477: United States, 1960s: police officer talks to lady in car at night / Bridgeman Images

AVE6328485: United States, 1960s: police man removes cord from baby's neck / Bridgeman Images

AVE6328498: United States, 1960s: police officer helps deliver placenta in car / Bridgeman Images

AVE6328501: United States, 1960s: police man create tie / Bridgeman Images

AVE6328514: United States, 1960s: woman holds baby in ambulance / Bridgeman Images

AVE6328533: United States, 1960s: police man leaves hospital / Bridgeman Images

AVE6328544: United States, 1960s: Montage of different wall clocks / Bridgeman Images

AVE6328545: United States, 1960s: Hand pivots clock on pedestal / Bridgeman Images

AVE6328552: United States, 1960s: Two different alarm clocks / Bridgeman Images

AVE6328560: United States, 1960s: Rotating images of timers, sundials / Bridgeman Images

AVE6328562: United States, 1960s: Two wall clocks / Bridgeman Images

AVE6328563: United States, 1960s: View of wall clock / Bridgeman Images

AVE6328576: United States, 1960s: Down shot of coffee in percolator / Bridgeman Images

AVE6328580: United States, 1960s: Hand puts bread in toaster / Bridgeman Images

AVE6328583: United States, 1960s: Toaster with toast, hand puts bread in toaster / Bridgeman Images

AVE6328587: United States, 1960s: Woman writes letter at counter, zoom out to show waffle maker / Bridgeman Images

AVE6328597: Lady Hanging Out Washing on Line as Clouds Roll by During Nuclear Explosion / Bridgeman Images

AVE6330014: American Ships on the Sea During Times of Peace / Bridgeman Images

AVE6330018: United States, 1930s-1940s: A factory worker spray paints a fully constructed steel car exterior / Bridgeman Images

AVE6330022: United States, 1930s-1940s: Hot glass exits a furnace through a roller / Bridgeman Images

AVE6330027: Elephants Appear in Town as Part of Circus Parade / Bridgeman Images

AVE6330045: Mixed Bathers Enjoying a Dip in the Sea / Bridgeman Images

AVE6334106: Women ride camels, desert 1950s / Bridgeman Images

AVE6334109: Men ride camels in the desert, 1950s / Bridgeman Images

AVE6335822: 1940s, A team of Native American students play basketball / Bridgeman Images

AVE6335828: 1940s, Pueblo Children / Bridgeman Images

AVE6335829: 1940s, Pueblo Children, schoolroom / Bridgeman Images