Sobre a Theoria do Rarefactor e a Nova Machina Hydropneumatica. Memoria apresentada . . pelo sócio A.A. de Aguiar. (Offprint from "Jornal de Sciencias Mathematicas, Physicas e Naturaes," No. XIII).
Lisbon, Academia Real das Sciencias, 1872.
8vo. 35 pp., (1) f. With 12 diagrams in text. Original printed wrappers. Library stamp on front cover & title page.
Design of a machine which can act as a filter to extract impurities from wine. The author was assistant professor of chemistry and physics at the Lisbon Industrial and Commercial Institute, and was apparently a very popular figure. Presentation copy from the author to the Duke of Palmella.
Innocêncio XVII, 67.