The lorry factory at the Brandenburg plant of Adam Opel A.G. in 1936. The picture shows the large final assembly line: with a production rate of 50 vehicles per shift, one lorry was completed every ten minutes.
Scherl Verlag / Opel Werkfoto, Die neue Lastwagenfabrik, Werk Brandenburg, der Adam Opel A.G., black-and-white photograph, 1936; source: Deutsches Bundesarchiv Bild 183-2007-0910-500.