The collection was prepared by the section "Protective and decorative coatings" of the Moscow House of Scientific and Technical Propaganda named after F. E. Dzerzhinsky, together with the section of metallurgy and processing of the Moscow Board of NTO non-ferrous metallurgy on the materials of the seminar "Halvanic and chemical coatings with precious and rare metals" . The purpose of the seminar is to exchange the experience of Mevdu specialists of industrial enterprises of scientific research, design and design organizations of various industries on the issues of applying galvanic coatings with precious and rare metals and alloys on a us basis .