Preface.

described artistic secrets original German: "Kunst-Stücke." This term refers to specialized recipes, chemical processes, or technical demonstrations that were often kept as trade secrets. might acquire some approval among the art-loving world, I intend to spare neither cost nor effort in the future to find more, and to serve the curious original Latin: "Curiosis." In the 18th century, "the curious" referred to collectors, amateur scientists, and intellectually inquisitive people who sought out new knowledge and "wonders." with them. I therefore proceed to the fulfillment of my promise; in the explanation and instruction of the subject matters original Latin: "Materien." Here referring to the specific materials and chemical topics to be discussed. undertaken for execution, I will withhold nothing, serve my most honored readers with all faithfulness, and recommend myself to you most highly,

The Author.