IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This Savoiia-Marchetti propeller is ...

The propeller component of this assembly was manufactured by Ole Flottorp in Chicago, Illinois for James B. Lund and R.D. Dwight, also of Chicago, who designed and constructed a mammoth tandem ...

Europe’s EASA has signed off on a modified version of Tecnam’s best-selling P2002 Sierra with a variable pitch propeller. The P2002JF provides an increase in cruise speed of 5 to 7 knots and improved ...