Keywords: Keel assembly jig - NARA - 298556.jpg Scope and content Photographs illustrating the manufacturing processes used in the construction of the HS-2L Flying Boats by the Boeing Airplane Company General notes 298556 Local identifier Department of the Navy ~ Office of the Supervisor of Naval Aircraft Office of the Inspector of Naval Aircraft Seattle 1917 - 1919 NARA's Pacific Alaska Region Seattle NRIAS 6125 Sand Point Way NE Seattle WA 98115-7999 other date ~ 1918 Record group Record Group 72 Records of the Bureau of Aeronautics 1911 - 1965 Record group ARC 401 Correspondence Files compiled ca 1917 - ca 1919 Series ARC 298544 File unit File unit ARC Variant control numbers NAIL Control Number NRIS-72-CORRESPONDENCE-177 Other versions <gallery> File Keel_assembly_jig_-_NARA_-_298556 tif tif File Keel_assembly_jig_-_NARA_-_298556 jpg jpg </gallery> NARA-cooperation PD-USGov 1918 in the United States HS-2L production |