File:Franz Keller (Ingenieur).jpg
Jump to navigation
Jump to search
![File:Franz Keller (Ingenieur).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Franz_Keller_%28Ingenieur%29.jpg/456px-Franz_Keller_%28Ingenieur%29.jpg?20150315220555)
Size of this preview: 456 × 600 pixels. Other resolutions: 182 × 240 pixels | 365 × 480 pixels | 1,001 × 1,317 pixels.
Original file (1,001 × 1,317 pixels, file size: 412 KB, MIME type: image/jpeg)