BRANCA, Giovanni

by Giovanni Branca

£8,500 · Offered by Sokol Books

A good, crisp copy of the first edition of Giovanni Branca s finely illustrated work on machines. An Italian architect and engineer, Branca (1571-1645) worked for many years for the Basilica of Loreto, where he supervised restoration, repairs and the construction of funeral monuments. Following the textual genre of the theatres of machines which had developed in the C16, Le machine showcases his knowledge of mechanical instruments, some of which he also built himself. In the preface, Branca explains that the work features the physical principles discussed by Aristotle, which, when applied to machines, can generate all possible kinds of mechanical movement. The handsome, realistic illustrations of the 63 machines are introduced by brief commentaries which combine the abstraction of physics and geometrical description with potential practical purposes for each. These include grinding wheat or gunpowder, flattening metals, making coins and medals, and drawing water from a well. Whilst most of Branca s machines were propelled by human, animal or hydraulic force, Plate 25 famously illustrates a machine which, like several others, was designed to grind materials, but with a wondrous engine an iron head on top of a metal bust filled with water and resting on burning coals; this would generate from the mouth a hot, violent breath strong enough to spin a paddled wheel. Although the machine remained closer to the principles of the classical aeolipile , a steam turbine described by Hero

• Binding: Hardcover

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