The Society of Nature Testers at the Imperial Kharkov University was founded in 1869 with the aim of promoting the development of natural sciences and the dissemination of scientific knowledge. The first volume of the "Works of the Society" was published in 1870 and included the results of research by members of the society for 1869. Contents of the first volume: The first volume contains various scientific articles and reports on various areas of natural sciences, including biology, geology and chemistry. Each article is accompanied by illustrations and tables explaining the results of research. Physical characteristics of the publication: Publishing house: University printing house, Kharkov Year of publication: 1870 Volume: Consists of several sections with pagination, including text and illustrations. Illustrations: Contains several tables with drawings illustrating scientific observations. State of the copy: The copy is in good condition for its age. There are slight traces of time, such as yellowing of pages and light scraps of binding. Historical and scientific value: This publication is an important artifact of the history of science of the Russian Empire. "Works of the Society of Nature Testers" reflect the level of scientific research of that time and are a valuable source for historians of science and collectors. Reasons to purchase this publication: Rareness: The first volume of "Works of the Society" is a rare publication, rarely found in the antique market. Scientific Significance: Contains original research and observations of XIXst century scientists. Collectible Value: Of interest to collectors of antique books and historical documents. The acquisition of this publication will be a valuable addition to any collection of rare books and documents on the history of science. There are stamps of libraries