The Aeroplane iio8 May 2, 1917 … ( flfff. U.S. PAT. OFF. ) CYLINDERS AND SLEEVE The aluminium cylinders are cast in pairs and are carefullj' fitted with removable steel sleeves. These two features contribute largely to the lightness and endurance of Sturtevant Aeronautical Engines. B. F. STURTEVANT COMPANY Hyde Park. Boston, Mass.…
Aeronautics -- Periodicals
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