File:Heliogramm.jpg
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![File:Heliogramm.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Heliogramm.jpg/736px-Heliogramm.jpg?20140219052219)
Size of this preview: 736 × 600 pixels. Other resolutions: 295 × 240 pixels | 589 × 480 pixels | 945 × 770 pixels.
Original file (945 × 770 pixels, file size: 61 KB, MIME type: image/jpeg)