The case of the issuance of a 10-year privilege to a foreigner Finzel to improve in the method of thickening vapors and in the d...

The case of the issuance of a 10-year privilege to a foreigner Finzel to improve in the method of thickening vapors and in the device for drying, heating and evaporation by means of heated air.N.12/V;V.U.14/VI.1855 / Department of State Economy.- 1855. -12 l .. - (Department of state savings of the State Council. Inventory No. 4. 1855).-Film..I. Department of State Economy ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.4 1855 d.161