About the book: 1914 / One of the poetic movements of the Silver Age is the Moscow futuristic group "Centrifuge", formed in January 1914 from the left wing of poets previously associated with the Lyrics publishing house. The first publication of “Centrifuge” was the collection “Rukonog”, dedicated to the memory of I. Ignatiev, who died in January 1914. http://ruslit.traumlibrary.net