It turns out 4 numbers per month

Railway: a magazine published by the VIII department of the Imperial Russian Technical Society.-St. Petersburg, 1882-1917.-.I. Russian Technical Society.Department (8) .1.People (collection).2. Territory (collection).Electronic copy source: PBOriginal storage location: PSUPSG. 11. 1892. No. 26. - Type.br.Panteleev, 1892. -269-278 p.: silt .. -It turns out 4 numbers per month.Contents: On the application of photography to engineering research in general and in particular to topographic congresses: I.I.'s reportFilipenko and a conversation supplemented by a message from A.S.Nadezhdin about the topographic cylidrhe of Moessar.Photogrammetric apparatus of Damuaso: (letter to the editor) / A. Nadezhdin.Ads.- Bibliogr.In the settling.Note .. - Ex.: without region..1. The people (collection).2. Territory (collection).Electronic copy source: PBOriginal storage location: PSUPS