The instrument with which one draws wood oil by descent.

A. the courge gourd or cucurbit which contains the matter one wishes to distill.

BB. the furnace where the charcoal surrounds the gourd.

C. the vaisseau recipient receiving vessel placed upon a straw ring.

D. the perforated iron plate, having a rim around it both above and below, which serves to join the gourd with its receiver.

another instrument with which one also draws floral waters by descent.

A. the vessel where the fire is located.

B the glazed earthenware pot, which receives the water that distills through the linen cloth.

This page features technical diagrams for specialized distillation. 1. Top-left: A diagram for distillation by descent shows a green glass flask labeled A nested in glowing red coals. These coals are held in a brown furnace structure labeled B. Below the furnace, a green receiver flask labeled C sits on a yellow straw support. 2. Center-right: A small, perforated metal plate labeled D is shown. 3. Top-right: An elongated green glass vessel is shown, wide at both ends and narrow in the middle. 4. Bottom: A second apparatus shows a large glazed earthenware pot labeled b resting on a three-legged wooden stand. A pile of fire or embers labeled a is placed directly over the opening of the pot, with a white cloth filter visible at the joint.