The newsreel tells about the physical and chemical conservation and restoration of documentary materials on a paper basis. Types of Moscow. The Main Archive Directorate under the Council of Ministers of the USSR on B. Pirogovskaya Street. Repository of the Central State Archives of the October Revolution. Document processing in a Rubner vacuum formalin chamber. Joining of cases, dedusting, cleaning from mold, dirt, gluing sheets and other types of paper-based document processing.