File:Entbehrlichkeit des Lichtäthers.djvu
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Size of this JPG preview of this DJVU file: 418 × 599 pixels. Other resolutions: 167 × 240 pixels | 335 × 480 pixels | 536 × 768 pixels | 715 × 1,024 pixels | 2,214 × 3,171 pixels.
Original file (2,207 × 3,184 pixels, file size: 164 KB, MIME type: image/vnd.djvu, 3 pages)