PASTEUR, Louis (1822-95). Etudes sur la Bière... avec une théorie nouvelle de la fermentation, Paris: Gauthier-Villars, 1876, 8°, FIRST EDITION, portrait frontispiece, 12 engraved tables and several illustrations in the text (frontispiece tipped in, stamps to half title and title, some slight spotting throughout), contemporary green morocco-backed boards (head and tail of spine and extremities rubbed) -- John RICHARDSON (fl.1777-98). The philosophical Principles of the Science of Brewing, York: G.G. & J. Robinson, 1788, 8°, engraved folding frontispiece, statistics in the text (C3 torn with slight loss of text, some dampstaining throughout, occasional spotting), contemporary speckled calf, spine decorated in gilt, contrasting label (front cover stained, edges bumped) Provenance: signed "W. Richardson" at end (2)