File:Huygens black & white signature.jpg
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Size of this preview: 800 × 183 pixels. Other resolutions: 320 × 73 pixels | 640 × 146 pixels | 1,024 × 234 pixels | 3,903 × 892 pixels.
Original file (3,903 × 892 pixels, file size: 155 KB, MIME type: image/jpeg)