4 photos

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• 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
  • 8 comments
  • 24 favorites
  • 21,860 views
  • 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
• Potomac Park, Wash., D.C. (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 3 comments
  • 5 favorites
  • 6,368 views
  • Date taken: 1915
  • Date uploaded: 2018-06-22
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain31447, aerialphotography, aerialphotograph, aerialphoto, potomacriver, potomac, navalairstationanacostia, nasanacostia, anacostia, navalaviation, airfield, militaryaviation, bollingfield, unitedstatesarmyairservice, usarmyairservice, armyairservice, usaas, potomacpark, hainspoint, eastpotomacpark
  • Visibility: public
• Landing mark, Bolling field (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 1 comment
  • 1 favorite
  • 3,553 views
  • Date taken: 1915
  • Date uploaded: 2018-10-12
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain32007, aviation, airfield, bollingfield, anacostia, modelairway, dc1
  • Visibility: public
• Gen. Wm. Mitchell (LOC)

  • Uploaded by: The Library of Congress
  • License: No known copyright restrictions
  • 2 comments
  • 2 favorites
  • 3,516 views
  • Date taken: 1915
  • Date uploaded: 2018-10-12
  • Tags: libraryofcongress, dc:identifier=httphdllocgovlocpnpggbain32008, unitedstatesarmyairservice, usarmyairservice, usaas, armyairservice, aviation, aviator, williambillymitchell, williammitchell, billymitchell, mitchell, bollingfield, anacostia, airfield
  • Visibility: public