AVE8892911: 1950s: Dog and lamb in barnyard. / Bridgeman Images

AVE8892593: 1960s: Old military sailing ships on stormy seas. / Bridgeman Images

AVE8903720: 1960s: Marble statue of Leonardo Da Vinci stands on display in museum. / Bridgeman Images

AVE8903723: 1960s: Wooden men push wheel and cause Da Vinci's helicopter to spin on display. / Bridgeman Images

AVE8903936: 1960s: Two glasses with liquid inside. One labelled Molal Sugar Solution. The other Molal Salt Solution. Person pours white powder into each glass. / Bridgeman Images

AVE8903939: 1960s: Bottle of sodium chloride. Person pours some into glass dish. / Bridgeman Images

AVE8903940: 1960s: Rack of metal spool and speaker forms move through electro-plating bath in factory. / Bridgeman Images

AVE8903946: 1960s: Bottle of adenovirus solution sits next to rack of test tubes with small amounts of liquid inside. Person loosens tops of test tubes. / Bridgeman Images

AVE8903947: 1960s: Bottle of sodium chloride next to glass of water. Person pours sodium chloride into glass of liquid. / Bridgeman Images

AVE8903954: 1960s: Man lowers hangers filled with metal pipe attachments into electro-plating bath in factory. / Bridgeman Images

AVE8903955: 1960s: Machine moves and agitates metal pieces in electro-plating bath. / Bridgeman Images

AVE8903957: 1960s: Machine moves and agitates metal pieces in electro-plating bath. / Bridgeman Images

AVE8903962: 1960s: Two lightbulbs, tubes and wires with a meter attached, inside a box. Lightbulbs glow blue. Another lightbulb outside the box is light. A meter is on top of box. / Bridgeman Images

AVE8903965: 1960s: Cables hold large radio tower straight in field. / Bridgeman Images

AVE8903969: 1960s: Victorian scientist places rod in wire-wrapped pipe in laboratory illustration. / Bridgeman Images

AVE8903971: 1960s: Light bulb extends from binary scaler. Exposed interior of scaler reveals bulbs and wires. / Bridgeman Images

AVE8903972: 1960s: Lightbulb is lit while wires going into glass of water. / Bridgeman Images

AVE8903978: 1960s / Bridgeman Images

AVE8903984: 1960s: Hand pours glass of fluid into beaker of hydrogen chloride. Chemical powder foams and gas rises up glass tubing. / Bridgeman Images

AVE8903988: 1960s: Bottle of hydrochloric acid, bottle of sodium hydroxide, and jar of sodium chloride. Person pours sodium chloride onto dish. / Bridgeman Images

AVE8903998: 1960s: Wires sit in crucible shrouded in flames. / Bridgeman Images

AVE8903999: 1960s: Wires sit in crucible shrouded in flames. / Bridgeman Images

AVE8904006: 1960s: Two lightbulbs, tubes and wires with a meter attached, inside a box. A voltage meter is on top of box. / Bridgeman Images

AVE8903847: 1960s: Bridge, city around it, man and two children walk up. Man points in distance. / Bridgeman Images

AVE8903848: 1960s: Man and two children stand near pier watching boat at sea. / Bridgeman Images

AVE8903855: 1960s: Flames heat liquid in cup with wires connected to lightbulb, powering it. Liquid begins turning foamy and white on top. / Bridgeman Images

AVE8903857: 1960s: Fighter jet taxis down airport runway. / Bridgeman Images

AVE8903861: 1960s: Flames heat liquid in cup with wires connected to lightbulb, powering it. Liquid begins turning foamy and white on top. / Bridgeman Images

AVE8903862: 1960s: Three sailors on small craft boat. / Bridgeman Images

AVE8903868: 1960s: Shipping yard, forklift carries load. / Bridgeman Images

AVE8903871: 1960s: Single-engine aircraft flies above the clouds. / Bridgeman Images

AVE8903876: 1960s: Single-engine aircraft flies above the clouds. / Bridgeman Images

AVE8903878: 1960s: Single-engine aircraft flies above the clouds. / Bridgeman Images

AVE8903880: 1960s: Flames heat liquid in cup with wires connected to lightbulb, powering it. Liquid begins turning foamy and white on top. / Bridgeman Images

AVE8903886: 1960s: Airplane descends toward landing strip. / Bridgeman Images

AVE8903889: 1960s: Airplane descends toward landing strip. / Bridgeman Images