On the issuance of a concession of the Sadergan joint -stock telephone company for the device and the exploitation of public tel...

On the issuance of a concession of the Sadergan joint -stock telephone company for the device and the exploitation of public telephone lines between the city of Warsaw and its suburbs, with the application of the telephone lines scheme.the 14 th of July./ Council of Ministers.- 1910. -7 l .. - (Council of Ministers .. Inventory inventory No. 6. 1910.).-Connection.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.6 d.347