This article is devoted to the previously unknown translation of the book of the German philosopher Johann Wachter Elucidarius cabbalisticus. This book deals with philosophy of Benedict Spinoza, which the author understands in connection with Jewish mysticism, Kabbalah. The translation into Russian was made by Semen Novikov in 1820 but remained unpublished. The article expounds on the content of the manuscript; the manuscript itself is being examined in the broad context of Masonic literature of the 18th — 19th centuries related to Kabbalah. The main idea of Wahter’s book is that Kabbalah is an ancient doctrine, a certain form of primordial philosophy or wisdom that is transmitted by the Jews. It is transmitted secretly, in order to avoid p...