Analysis and synthesis in chemistry. On what depends variety of bodies in the world?

Konovalov M. I. Analysis and synthesis in chemistry. On what depends variety of bodies in the world? : [separate print] / M. Konovalov. – [Russia , early 20th century]. – 21 p.
Author attaches reader to secrets of chemical technology to stimulate chemistry lessons. Коновалов М. И. Анализ и синтез в химии. Отчего зависит разнообразие тел в мире? : [отдельный оттиск] / М. Коновалов. – [Россия, нач. …