AVE8891070: 1960s: A black worm burrows into sand. / Bridgeman Images

AVE8891075: 1960s: Street. Row of attached homes. Man on horseback. / Bridgeman Images

AVE8891077: 1960s: Organism / Bridgeman Images

AVE8891083: Grounds of large stone building, with garden and pond. / Bridgeman Images

AVE8891086: 1960s: Row of attached homes. / Bridgeman Images

AVE8891092: 1960s: Bare tree branches in front of the overcast sky. / Bridgeman Images

AVE8891094: 1960s: Row of attached homes. Man on horseback. / Bridgeman Images

AVE8891095: 1950s: Track athlete stretches leg on hurdle in field. / Bridgeman Images

AVE8891097: 1960s: Person puts bassoon reed in mouth then takes it out. / Bridgeman Images

AVE8891105: Public grounds with garden and walkway. People sit on benches. A monument with statues at the end of walkway. / Bridgeman Images

AVE8891132: 1970s: Hay drawn by a belt from a silo into a spreader below. / Bridgeman Images

AVE8891138: 1960s: Truck drives past piles of construction debris and building on side of highway. / Bridgeman Images

AVE8891197: 1960s: A pen tracing across the chart to read the humidity from the hygrometer. / Bridgeman Images

AVE8891170: 1960s: De-barked timber and logs fall from industrial tumbler in paper mill. / Bridgeman Images

AVE8890816: 1960s: Hand holding a set of thermometers, one end covered in gauze. / Bridgeman Images

AVE8890833: 1960s: Travelling through the clouds, occasional view of the distant clouds. / Bridgeman Images

AVE8890820: 1950s: [upside down] Men picking cotton in the field. / Bridgeman Images

AVE8890841: 1960s: Model of the fortress of Quebec in Quebec City. / Bridgeman Images

AVE8890851: 1960s: Finger pointing at one thermometer in the hygrometer, points at other thermometer. / Bridgeman Images

AVE8890844: 1960s: Dark and cloudy sky over the rural landscape. / Bridgeman Images

AVE8891204: 1960s: Woman lifts and plats a long flute. She sets flute on lap and removes end piece then blows on it. / Bridgeman Images

AVE8891191: Brazil 1970s: Men play volleyball on the beach, as others watch. / Bridgeman Images

AVE8891162: 1960s: People in orchestra play bassoons and flutes. / Bridgeman Images

AVE8891201: 1960s: Different wind instruments laid out. / Bridgeman Images

AVE8891187: 1960s: Empty chairs in band, girl walks in and plays violin then leaves. / Bridgeman Images

AVE8891114: 1950s: Science lab with experiment simulating lungs inflating and deflating in flask. / Bridgeman Images

AVE8891124: 1960s: Man plays bassoon. / Bridgeman Images

AVE8890907: 1970s: Man with a pipe attaches spreader mechanism to his tractor and flips down a spreader. The spreader starts to fill a trough made of guardrails. He drives slowly. Cows come in to feed on the hay. / Bridgeman Images

AVE8900431: 1960s: Rocket launches into air. / Bridgeman Images

AVE8900443: 1960s: Mother bird in nest. / Bridgeman Images

AVE8900445: 1960s: Duckling swims and pecks at water. / Bridgeman Images

AVE8900448: 1960s: Nest. Mother bird feeds babies. / Bridgeman Images

AVE8900463: 1960s: Mother dog nurses puppies. / Bridgeman Images

AVE8900467: 1960s: Hamster gives birth. Person pokes hamster. Frogs. / Bridgeman Images

AVE8900472: 1960s: Tadpole lays still in a mass of water plants. / Bridgeman Images

AVE8900477: 1960s: Zebrafish swim in an aquarium. / Bridgeman Images