File:Sikorsky S-40 hull drawing Aero Digest February,1930.png
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Size of this preview: 800 × 364 pixels. Other resolutions: 320 × 145 pixels | 640 × 291 pixels | 1,024 × 465 pixels | 2,163 × 983 pixels.
Original file (2,163 × 983 pixels, file size: 222 KB, MIME type: image/png)