Corpus Hermeticum with Pneumatica and Ocellus Lucanus

...[when] the finger [is removed], the liquid is drawn up into the emptied space under the water, and it is carried along by the upward motion occurring in the liquid.

The phenomena regarding cupping glasses sikyas original: "σικυῶν" (sikyon). These were gourd-shaped medical instruments used for bloodletting or drawing out excess fluids by creating a vacuum. also occur in a way that is not foreign to the principles stated previously. For when these are applied to the body, not only do they not fall off—despite having significant weight—but they also draw the adjacent matter through the pores araiomatōn original: "ἀραιωμάτων" (araiomatōn). This refers to the microscopic gaps or "thinning" in the structure of the flesh/skin through which fluids can be drawn. of the body, for the following reason.

When fire pyr original: "πῦρ" (pyr). is placed within the cupping glasses, it consumes and thins out the air contained inside them. Just as fire consumes other bodies, it transforms them into finer substances—namely water, air, and earth. That fire consumes matter is clear from the presence of particles of charcoal. For while the coals tend to maintain the same volume onkos original: "ὄγκον" (onkos). This refers to the physical bulk or space occupied by the object. they had from the beginning before undergoing combustion kausin original: "καῦσιν" (kausin), or appear only slightly smaller, they differ greatly in weight from their original state.

Fire separates the consumed bodies by means of smoke kapnou original: "καπνοῦ" (kapnou). into fiery, airy, and earthy substances. For the finer products of this consumption travel to the highest place, where the fire is located; but those slightly thicker than these...