Postcard from the Car of the Aerial Bridge Paul Lundgren 4 days ago This undated postcard from the V. O. Hammon Publishing Company shows Duluth’s Aerial Bridge circa 1905 to 1929, when a ferry car transferred people across the shipping canal. Recommended Links:Postcard from the Aerial Bridge in 1905Postcard from the Steamer EastonDon’t Tell MomPostcard from the Aerial Life Bridge (Basgen Photography)