AVE6324597: 1910s: Girl sits in cramped space playing with a doll and accidentally breaks it / Bridgeman Images

AVE6324650: United States, 1930s: Pointer showing the layout and structure of the middle ear as seen through an otoscope / Bridgeman Images

AVE6324657: United States, 1930s: Diagram showing the transmission sound from the inner ear to the brain via the frontal, ethmoid, and maxillary sinuses / Bridgeman Images

AVE6324659: United States, 1930s: Close up diagram showing the external ear, shell (pinna), and auditory canal (meatus) / Bridgeman Images

AVE6324668: 1910s: Couple speaks in a kitchen, elderly man walks past outside / Bridgeman Images

AVE6324671: 1910s: Man and woman speak heatedly to each other, young woman talks to herself outside and eventually shoots a gun / Bridgeman Images

AVE6324672: United States, 1930s: Picture showing the inner ear structure / Bridgeman Images

AVE6324678: 1910s: Young woman enters a parlor and overhears people outside concerned that they heard a gunshot, she looks guilty/worried / Bridgeman Images

AVE6324679: United States, 1930s: Close up view of the cochlear on a diagram / Bridgeman Images

AVE6324683: 1910s: Young woman sneaks into a house and looks shocked by what she sees / Bridgeman Images

AVE6324693: 1910s: Man shows woman some papers and then they talk excitedly / Bridgeman Images

AVE6324696: 1910s: Young couple has a disagreement / Bridgeman Images

AVE6324699: 1910s: Young woman hurries out of room, two men on stairs outside notice a spot of blood on the stairs / Bridgeman Images

AVE6324710: 1910s: Man kisses woman on the neck, she doesn’t look happy about it / Bridgeman Images

AVE6325340: 1940s: Map of North America / Bridgeman Images

AVE6325341: 1940s: Map of world / Bridgeman Images

AVE6325350: 1940s: Family picks up Menorahs from dirt and talk to one another / Bridgeman Images

AVE6325351: 1940s: Map of continents and Pacific Ocean / Bridgeman Images

AVE6325352: 1940s: Dates appear over map of continents and Atlantic Ocean / Bridgeman Images

AVE6325356: 1940s: Colored regions appear over map of United States / Bridgeman Images

AVE6325361: 1940s: Clothes hang from lines outside tenement building / Bridgeman Images

AVE6325369: 1940s: People enter government building / Bridgeman Images

AVE6327714: United States, 1950s: A German jetpack is tested and fails to lift the user off the ground / Bridgeman Images

AVE6327720: United States, 1950s: American generals and committees discuss putting a satellite into orbit / Bridgeman Images

AVE6327722: United States, 1950s: The staff at a rocket carrier development program discuss their plans / Bridgeman Images

AVE6327725: United States, 1950s: A rocket is launched into the air as its wings open up / Bridgeman Images

AVE6327727: United States, 1950s: Scenes being shot under the direction of director Fritz Lang / Bridgeman Images

AVE6327732: United States, 1950s: A countdown is held before a German rocket is launched into space / Bridgeman Images

AVE6327736: United States, 1950s: Props taken by the German Space Travel Club from a movie set are used to prepare actual rockets and missiles / Bridgeman Images

AVE6327739: United States, 1950s: Adolf Hitler makes a speech as other German leaders discuss plans / Bridgeman Images

AVE6327741: United States, 1950s: Fuel is placed into a rocket to prepare for its launch / Bridgeman Images

AVE6327752: 1970s: Students get off school bus and wait to cross road / Bridgeman Images

AVE6327761: United States, 1990s: Long shot of satellite dish / Bridgeman Images

AVE6327765: United States, 1990s: Time lapse of desert cliffs / Bridgeman Images

AVE6327768: United States, 1990s: View of Earth turning / Bridgeman Images

AVE6327771: United States, 1990s: Long shot of man on satellite dish / Bridgeman Images