AVE6319749: 1960s: Satellite floats / Bridgeman Images

AVE6319759: 1969: Astronauts walk down ramp, wave to crowd, get into truck / Bridgeman Images

AVE6319779: Ingredients of a dough are measured, mixed, and placed into a dough mixing machine / Bridgeman Images

AVE6319782: A machine places dough into compact bowls allowing time rise before baking / Bridgeman Images

AVE6321083: 1950s: Man on horseback yells and gestures / Bridgeman Images

AVE6321087: 1950s: Mountains / Bridgeman Images

AVE6321096: United States, 1970s: An ambulance arrives to bring an unconscious woman to the hospital / Bridgeman Images

AVE6321098: United States, 1970s: A gun salesmen shows a gun to a potential buyer / Bridgeman Images

AVE6321101: United States, 1970s: The Pasadena Police Station receive a phone call alerting of an emergency situation and immediately send cops to check out the scene / Bridgeman Images

AVE6321102: United States, 1970s: EMT workers lift a patient in a stretcher into an ambulance while bystanders watch in the middle of the night / Bridgeman Images

AVE6321116: United States, 1970s: A woman sits in a stool next to a man in a bar and begins a conversation with him / Bridgeman Images

AVE6321119: United States, 1970s: A man walks a woman to her door, and they start making out / Bridgeman Images

AVE6321126: United States, 1970s: With the knife pointed at him, a driver gets out of the car and is left stranded in the middle of nowhere / Bridgeman Images

AVE6321129: United States, 1970s: While at the beach, a woman is taken pushed around by men / Bridgeman Images

AVE6321133: United States, 1970s: A middle-aged man attacks an older man who is walking down the sidewalk / Bridgeman Images

AVE6321136: United States, 1970s: Two men stare at a no loitering sign as a man in red walks from a sidewalk into an alley / Bridgeman Images

AVE6321143: United States, 1970s: A cat meows as a woman in red is followed down a dark street by her possible attacker / Bridgeman Images

AVE6321144: United States, 1970s: At night, a woman rolls up her window while a man leaving his car locks it before leaving / Bridgeman Images

AVE6321149: United States, 1970s: Ladders Running Up the Side of a Large Corrosives Storage Facility / Bridgeman Images

AVE6321157: United States, 1970s: Corroded Iron Railings / Bridgeman Images

AVE6321158: United States, 1970s: Iron Swing Seat, and Tools Made from Iron / Bridgeman Images

AVE6321159: United States, 1970s: Paint Peeling Off an Iron Pipe / Bridgeman Images

AVE6321163: United States, 1970s: Lab Experiment to Show Reactivity of Sodium / Bridgeman Images

AVE6321174: United States, 1970s: Three Students Discuss Reaction Equations / Bridgeman Images

AVE6321175: United States, 1970s: Scientific Equations on a Blackboard / Bridgeman Images

AVE6321176: United States, 1970s: Two Students Writing Chemical Equations on a Blackboard / Bridgeman Images

AVE6321177: United States, 1970s: Boy Writes Chemical Steps Down on Board to Explain a Reaction / Bridgeman Images

AVE6321261: United States, 1950s: Long shot of an airplane on the runway, a man crouches on the wing as he fills the plane's tank with gasoline / Bridgeman Images

AVE6321262: United States, 1950s: Museum patrons walk through small hall where there is a small wagon / Bridgeman Images

AVE6321264: United States, 1950s: Convertible drives down suburban street / Bridgeman Images

AVE6321267: United States, 1950s: A rural field / Bridgeman Images

AVE6321271: United States, 1950s: SS America sits in port while workers lift hose by pulley system, loading the tanker with oil / Bridgeman Images

AVE6321275: United States, 1950s: Housewife shopping for groceries at supermaket / Bridgeman Images

AVE6321276: United States, 1950s: Dynamos spin at power company / Bridgeman Images

AVE6321277: United States, 1950s: Man pulls lever / Bridgeman Images

AVE6321307: 1960s: Space shuttle launch / Bridgeman Images