When you want to make a kiln for glassmaking, you search continuously for a propitious day during a favorable month. You lay the foundations of a kiln with four chambers. You make constant offerings and set up purifying divinities so that no impurities may enter: you make lapis lazuli.
These instructions summarize the contents of a corpus of Akkadian glassmaking recipes from more than two and half millennia ago. It was then, in the seventh century BCE, that the king himself claimed to have dedicated clay tablets containing instructions “for your making stones” (colored glasses and frits) to the temple of Nabu and Tašmetu, the patron gods of knowledge:
Continue reading “‘You,’ ‘Us,’ and ‘Them’: Glass and Procedural Knowledge in Cuneiform Cultures”
Ancient recipes are usually short texts; one can easily find more than one recipe written on a single papyrus sheet or on the page of a Byzantine manuscript. Despite their brevity, however, they open an invaluable window onto a wide array of techniques and practices used to manipulate the natural world. Ancient recipes could pertain to various fields of science and technology—from cosmetics to cookery, from agriculture to horse care. In this post, particular attention will be devoted to two contiguous and, to a certain extent, overlapping areas of expertise: medicine and alchemy. As we will see, the works of two important authors, Oribasius and Zosimus of Panopolis, reveal the ways that recipe collections forged new forms of knowledge transfer in the fourth century CE. Continue reading “Selecting and Organizing Recipes in Late Antique and Early Byzantine Compendia of Medicine and Alchemy”