Keywords: radial engine radialengine siemens-halske siemenshalske white background Catalog #: 04_03264 Album: 63 Description: Seimans-Waco 125 Date: 1927 Repository: San Diego Air and Space Museum Archive Catalog #: 04_03264 Album: 63 Description: Seimans-Waco 125 Date: 1927 Repository: San Diego Air and Space Museum Archive |