The case of the issuance of privilege to a foreigner Grassi to the "screw system" for moving the hills found on the railway line...

The case of the issuance of privilege to a foreigner Grassi to the "screw system" for moving the hills found on the railway line.N. 10/I;V.U.18 / III.1857 / Department of savings.- 1857. -13 l .. - (Department of state savings of the State Council. Inventory No. 5. 1857).-Film..I. Department of Savings ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.5 1857 d.11