Identified! [Paragon adjustable and reversible aircraft propeller created by Spencer Heath and tested on October 11, 1922, Bolling Field, Washington, D.C.] (LOC)
| Uploaded by | The Library of Congress |
|---|---|
| License | No known copyright restrictions |
| Comments | 8 |
| Favorites | 24 |
| Views | 21,860 |
| Date taken | 1922 |
| Date uploaded | 2015-10-02 |
| Tags | libraryofcongress, dc:identifier=httphdllocgovlocpnphec42506, xmlns:dc=httppurlorgdcelements11, aviation, aircraftpropeller, airplanepropeller, propeller, adjustablepitchpropeller, paragonadjustableandreversibleaircraftpropeller, variablepitchpropeller, spencerheath, heath, mysterysolved, bollingfield, bollingafb, hispanosuiza, hispanosuiza8 |
| Visibility | public |