Brass model, scale 1:8, of the conoidal three-bladed propeller patented and made by George Rennie, Greenwich, Kent, England, 1839. This type of this type of screw propeller was fitted to the iron ...

Piedmont Propulsion Systems (PPS), a subsidiary of First Aviation Services, has added complete major inspection support for the Model 568F propeller installed on the Next-Gen ATR family of turboprop ...

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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Mechanical engineer Isaac Dripps ...