File:A Philosophical Discussion (J.G. Sowerby).jpg
![File:A Philosophical Discussion (J.G. Sowerby).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/A_Philosophical_Discussion_%28J.G._Sowerby%29.jpg/427px-A_Philosophical_Discussion_%28J.G._Sowerby%29.jpg?20150607022930)
Size of this preview: 427 × 600 pixels. Other resolutions: 171 × 240 pixels | 342 × 480 pixels | 547 × 768 pixels | 729 × 1,024 pixels | 1,485 × 2,086 pixels.
Original file (1,485 × 2,086 pixels, file size: 792 KB, MIME type: image/jpeg)