AVE6325526: Man Works with Textiles at Station in a Processing Plant / Bridgeman Images

AVE6325563: Lorry with the Words 'another load of Ford quality safety glass' on Side / Bridgeman Images

AVE6325566: Lady and Small Boy Climb into Parked Red Car Outside House and Close Door / Bridgeman Images

AVE6325482: 1950s: Man in suit speaks / Bridgeman Images

AVE6325519: Young Man in Overalls Speaks to Peers in Locker Room / Bridgeman Images

AVE6325527: Group of Men in Factory Lift up Metal Component Together and Put it into Place on Machine / Bridgeman Images

AVE6325525: Man in Summer Hat Smiles as He Cycles Across Rough Terrain and Across Bridge into Perez Building / Bridgeman Images

AVE6325725: United States, 1970s: Convertible driving down the street / Bridgeman Images

AVE6325793: 1950s: Classroom, Marian Anderson stands at front, speaks slowly, deliberately, gestures to shoulders / Bridgeman Images

AVE6325678: Worker Bangs Hammer on Metal at Factory Station / Bridgeman Images

AVE6325796: 1950s: Classroom, Thai children in uniforms sit at desks / Bridgeman Images

AVE6325693: 1960s: Scientist looks into microscope. / Bridgeman Images

AVE6325859: 1940s: Patient sits on bed, consults with seated hospital worker, gestures to chest and points to back, legs spasm. / Bridgeman Images

AVE6326056: United States, 1950s: Long shot of Hoover Dam / Bridgeman Images

AVE6326065: United States, 1950s: Views of steel balls on model of particle accelerator / Bridgeman Images

AVE6326124: Train Driver Jumps Off Steam Train and Rushes to Aid of Lady Being Burgled / Bridgeman Images

AVE6326118: United States, 1950s: Man changes piece on equipment panel / Bridgeman Images

AVE6326165: 1980s: Pilot sits in cockpit of plane while man talks to him / Bridgeman Images

AVE6326186: 1980s: Man in flight suit rides escalator / Bridgeman Images

AVE6326192: 1980s: X-15 rockets away from wing of plane / Bridgeman Images

AVE6326184: 1980s: Jet flies through air attached to plane above it, then drops / Bridgeman Images

AVE6326220: 1970s: Underwater footage of diver / Bridgeman Images

AVE6326283: 1970s: Men help diver out of wet suit / Bridgeman Images

AVE6326384: United States, 1960s: Tear gas escapes grenade profusely as police officers start approaching protesters / Bridgeman Images

AVE6326331: United States, 1960s: A police officer informs a mob riot that if they do not stop their actions and disperse, people will be arrested, but the crowd continues its destruction anyway / Bridgeman Images

AVE6326334: United States, 1960s: The tactical formations by a police unit in disruption destructive mob behavior are introduced / Bridgeman Images

AVE6326453: 1970s: A mother and son walk up the steps and enter a post office / Bridgeman Images

AVE6326431: 1970s: Benjamin Franklin on postage stamp / Bridgeman Images

AVE6326449: 1970s: Three men in suits walk abreast / Bridgeman Images

AVE6326370: United States, 1960s: As police officers place tear gas grenades on the floor, sit down protesters get up and disperse / Bridgeman Images

AVE6326464: United States, 1960s: hand sorts through coins / Bridgeman Images

AVE6326433: United States, 1960s: city view at night / Bridgeman Images

AVE6326479: 1970s: Men sitting around a table examine packing materials / Bridgeman Images

AVE6326866: 1930s: Table “Grammar School” moves away, replaced by table “High School”, animation of rows of people fill columns, they walk and decrease from column, numbers 34, 24, 18, 13 label the chart / Bridgeman Images

AVE6326527: 1970s: Garbage spinning into compactor / Bridgeman Images

AVE6326896: 1930s: Doctor's office with bed and closets / Bridgeman Images