File:1904 Hefner-Alteneck.jpg
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Size of this preview: 524 × 599 pixels. Other resolutions: 210 × 240 pixels | 420 × 480 pixels | 671 × 768 pixels | 895 × 1,024 pixels | 1,625 × 1,859 pixels.
Original file (1,625 × 1,859 pixels, file size: 452 KB, MIME type: image/jpeg)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:15, 15 December 2007 | 1,625 × 1,859 (452 KB) | wikimediacommons>Axel.Mauruszat | {{Information |Description=Friedrich von Hefner-Aleneck |Source=Elektrotechnische Zeitschrift, 28. Januar 1904, S. 63 |Date=1904 |Author=unbekannt |Permission= |other_versions= }} |
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