Production Line, Citroën B2, 1924

A Citroën B2 "Tout-Acier" (all steel) body being constructed at the Citroën factory in central Paris. This car (commonly known as the 10 HP) is considered to be the second car to have been made using mass production techniques, though the factory above doesn't look like it. Between 1921 and 1926 approximately 90,000 were built in reputedly twenty five different body styles