To the ancient Greeks, this event signaled a hot, dry summer ahead. The Egyptians used it to base their calendar when the star made its last appearance for the year, rising just ahead of the sun, it foreshadowed the coming season of Nile flooding (and abundant crops). As such, it has a rich history in almost every ancient culture. It undoubtedly held an important place in Antonio Neri's alchemical cabinet.įrom our vantage point on Earth, Sirius is the brightest star in the heavens. ![]() Saltpeter was the critical ingredient of gunpowder, fireworks, fertilizers, medicines and as we will see, even the preparation of materials for glassmaking. ![]() This cosmic theory of the very large being directly connected to the very small is an ancient idea that precedes even the discovery of saltpeter, today's topic of discussion. Even so, there was much debate about what the exact connections were and how they worked. This philosophy forms the basis for astrology, which in Neri's time was utilized for all sorts of decisions and the planning of events. In the era of glassmaker and alchemist Antonio Neri (the early seventeenth century), it was commonly assumed there was a direct causal connection between the "macrocosm" (stars, planets etc.) and the "microcosm" (the very small), with human life on earth standing in the balance, in-between the two. Beschreibung allerfurnemisten mineralischen Ertzt
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