AVE6329057:
United States, 1930s-1940s: A crane arm lifts a white hot ingot out of an open hearth furnace and places it in the top of a rolling machine / Bridgeman Images
AVE6329083:
United States, 1930s-1940s: A worker on an assembly line grabs an engine part off a track and places it into an engine block / Bridgeman Images
AVE6329092:
United States, 1930s-1940s: A factory worker affixes an engine part to a v8 engine block as it moves down a conveyor belt / Bridgeman Images
AVE6329108:
United States, 1930s-1940s: Two factory workers place the steel exterior of a car roof into a machine that perfects the exterior's shape / Bridgeman Images
AVE6321413:
United States, 1940s: A woman in an apron removing eggs from chicken coop as a man faces her taking notes on a clipboard / Bridgeman Images
AVE6321416:
United States, 1940s: Long shot of a row of factory workers candling eggs, then a close up of one factory worker candling eggs / Bridgeman Images