Keywords: sdasm aviation aeronautics aircraft airplane biplane floatplane curtiss united states navy unitedstatesnavy us navy usnavy usn naval aviation navalaviation ship warship uss pennsylvania (acr-4) usspennsylvaniaacr4 uss pennsylvania usspennsylvania acr-4 acr4 pennsylvania-class pennsylvaniaclass uss pittsburgh (ca-4) usspittsburghca4 uss pittsburgh usspittsburgh ca-4 ca4 armored cruiser armoredcruiser cruiser blackandwhite monochrome outdoor black and white Catalog #: 00065128 Manufacturer: Curtiss Designation: Official Nickname: Notes: Tractor Hydro, 1911-1912 Repository: San Diego Air and Space Museum Archive Catalog #: 00065128 Manufacturer: Curtiss Designation: Official Nickname: Notes: Tractor Hydro, 1911-1912 Repository: San Diego Air and Space Museum Archive |