The program of the technological department of the Polytechnic Exhibition

The program of the technological department of the Polytechnic Exhibition.- [B.m.]: Type.A.I.Mamontov and Co., [19-].-7 s .. -Ex.: Without Titus.l.and region..I. Moscow Polytechnic Exhibition (1872).Technological department 1.Territory (collection).2. The people (collection).Electronic copy source: PBThe place of storage of the original: GPI.Center for Social and Political History