The layout of the telephone cable along the Aleksanterinkat St. (now Leningradsky Ave.) of 1925.Blue.Scale 1: 2000

The layout of the telephone cable along the Aleksanterinkat St. (now Leningradsky Ave.) of 1925.Blue.Scale 1: 2000.- 1925. -Foundation 531 "A collection of maps, plans and drawings of Vyborg, Vyborg, Mikkel and Coopiosa provinces" , inventory 1, case 443..Electronic copy source: PB