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PORTA, Giovanni Battista della. I tre libri de spiritali... cioè d'inalzar acque per forza dell'aria. Naples: Giovanni Giacomo Carlino, 1606.
4o (181 x 143 mm). Numerous woodcuts in text. (Some worming at end catching a few letters, few pages closely trimmed at head.) 18th-century Italian roan-backed limp paper boards (light soiling).
FIRST EDITION IN ITALIAN, following the first Latin edition of 1601. Porta's work is famous for its illustrations and descriptions of the steam engine, which differed from Hero's. Porta's used steam pressure to expel liquid, whereas Hero used the pressure of expanding air. Rankine, The Steam Engine, p. xvi; Riccardi II:310.
4o (181 x 143 mm). Numerous woodcuts in text. (Some worming at end catching a few letters, few pages closely trimmed at head.) 18th-century Italian roan-backed limp paper boards (light soiling).
FIRST EDITION IN ITALIAN, following the first Latin edition of 1601. Porta's work is famous for its illustrations and descriptions of the steam engine, which differed from Hero's. Porta's used steam pressure to expel liquid, whereas Hero used the pressure of expanding air. Rankine, The Steam Engine, p. xvi; Riccardi II:310.