Frédéric Sauvage, 1786 – 1857. French boat builder who carried out early tests of screw-type marine propellers. From Les Merveilles de la Science, published 1870.

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Keywords: 18th, 19th, boat, builder, century, early, eighteenth, france, frederic, french, frééric, historical, history, illustration, marine, nineteenth, portrait, propellers, sauvage, science, scientific, scientist, screw-type, tests