Boats are propelled forward by various power sources, such as human power, wind power, and internal combustion engines. Nowadays, even electric boats are coming onto the scene. Propulsion for ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Small propeller used for aerodynamic ...
Click to open image viewer. Small propeller used for aerodynamic testing only. Not used for flight trials on aircraft or models. Constructed from narrow wooden strips glued together similar to boat ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results