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. 32. 1913. No. 15-16.- Type.Shreder, 1913. -85-100 p.: pl., table .. -It turns out 4 numbers per month.Contents: Railways with proper setting up a resettlement / V. Lestushevsky.To the issue of measures to prevent horses and debts of railway agents for shortcomings for the transport of cargo / INZh.P. Karelin.About the instruments of I.F.Ilyina for applying firecrackers on rails / S. Libin.Japanese electric trams and their significance in the economic life of the country / Const.Polynov.Russian-Japanese railway conference, [et al.].- Bibliogr.in the text and subscription.Note .. - Ex.: without region..1. The people (collection).2. Territory (collection).Electronic copy source: PBOriginal storage location: PSUPS