Bulletin of the Society of Technologists.1912. T. 19. No. 1. January

Society of Technologists (Petersburg).Bulletin of the Society of Technologists.-St. Petersburg, 1894-1914.-.1. The people (collection).Electronic copy source: PBOriginal storage location: PSUPS1912. T. 19. No. 1. January: year of ed.19. - Type.Journal."Builder", 1912. -III -VII, 36 p.: il., table., Damn .. -There is general.Tit.l.for 1912Part of the text is for the last.foreign.ulcer.It turns out once a month.Bibliogr.In the text and subscription.Note..1. The people (collection).Electronic copy source: PBOriginal storage location: PSUPS