The case of the issuance of a 6-year privilege to a foreigner demo-durosis for the invented by him a wake shell called "Omni-Rev...

The case of the issuance of a 6-year privilege to a foreigner demo-durosis for the invented by him a wake shell called "Omni-Reveil".N. 30/I;V.U.25/II;1848 / Department of State Economy.- 1848. -11 l .. - (Department of state savings of the State Council. Inventory No. 3. 1848).-Film..I. Department of State Economy ..Electronic copy source: RGIAOriginal storage location: RGIA f.1152 op.3 1848 d.14