AVE8928350: 1960s: Ice and snow melts. Water runs along mud and grass from melting ice. / Bridgeman Images

AVE8928354: 1960s: Radiological x-ray of barium swallow. / Bridgeman Images

AVE8928361: 1960s: Horse stands in corral on ranch. / Bridgeman Images

AVE8928367: 1960s: Horse in it's pen smelling the ground, swaying and jumping around. / Bridgeman Images

AVE8928368: 1960s: Boy runs through snow on basketball court in park. Boy runs and plays in snow near apartment buildings in city. / Bridgeman Images

AVE8928373: 1960s: Horse and it's trainer in the pen, horse looking into the distance. / Bridgeman Images

AVE8928374: 1960s: Diorama, display on history of transportation. Model of Wright Brothers plane. / Bridgeman Images

AVE8928375: 1960s: Radiological x-ray of barium swallow. / Bridgeman Images

AVE8928376: 1960s: Diorama, display on history of transportation. / Bridgeman Images

AVE8928385: 1960s: Child sits at desk writing on paper. / Bridgeman Images

AVE8928409: 1960s: Transparent image of organ in body. / Bridgeman Images

AVE8928412: 1960s: Transparent image of organ in body. / Bridgeman Images

AVE8928420: 1960s: Transparent image of organ in body. / Bridgeman Images

AVE8928423: 1960s: Transparent image of organ in body. / Bridgeman Images

AVE8927741: 1960s: Person lifts lid on machine. A revolving pole with wheels attached spins in foamy water. / Bridgeman Images

AVE8927742: 1960s: Children sit in desks in classroom. Display of "Beginnings of Modern Transportation" on bulletin board. Children write. / Bridgeman Images

AVE8927752: 1960s: A machine turns, with a moving belt feeding in and rows of bronze and silver cylinders. In the middle, a revolving pole. Carnation factory. / Bridgeman Images

AVE8927761: 1960s: Man stirs solids with blue stick, and stirs butterfat. Glass jug of milk and one of water lined up on counter. / Bridgeman Images

AVE8927766: 1960s: Steam engine and train speeds through countryside. / Bridgeman Images

AVE8927772: 1960s: At factory, a man in white uniform takes ice-cream cartons off conveyer belt and loads into crate. / Bridgeman Images

AVE8927777: 1960s: A woman spreads whipped cream from pan on a pie with a rubber spatula. / Bridgeman Images

AVE8927780: 1960s: Woman lifts cheese curds from vat with metal scoop. / Bridgeman Images

AVE8927784: 1960s: A living room with armchair, chest of drawers, easel, desk, plant, and windows with blinds up. / Bridgeman Images

AVE8927791: 1960s: Two children riding a seesaw in front of apartment building. / Bridgeman Images

AVE8927797: 1960s: A family walks in a public park. / Bridgeman Images

AVE8927802: 1960s: Man pulls up in car marked Richmond Safety Air Pollution. Man gets out of car. / Bridgeman Images

AVE8927807: 1960s: A Galton Board with black pellets dropping into a row of stacks in a bell curve shape. / Bridgeman Images

AVE8927810: 1960s: Grader drives around dump flattening and burying garbage. / Bridgeman Images

AVE8927823: 1960s: Woman sits at desk covered with papers. Woman reads paper from binder, nods and smiles. / Bridgeman Images

AVE8927826: 1960s: Two boys sit at table in library, looking at books. One boy flips through a magazine. / Bridgeman Images

AVE8927828: 1960s: Two planes speed down runway and take off simultaneously. / Bridgeman Images

AVE8927840: 1960s: Children exit brick schoolhouse in line and get on yellow school bus. / Bridgeman Images

AVE8927844: 1960s: Cars drive down highway. / Bridgeman Images

AVE8927845: 1960s: Boy sits at kitchen table doing math problems on a clipboard. / Bridgeman Images

AVE8927871: 1960s: Boy holds toy plane and talks. Woman responds and takes toy plane from boy, setting it aside. / Bridgeman Images

AVE8927873: 1960s: Boy holds toy plane and talks to woman in striped dress. / Bridgeman Images