| Information requests | |
| 1 | Improving content on photographic techniques |
| Introduction | |
| 2 | Camera lucida: Design and use |
| Examples | |
| 3 | The camera lucida |
| Practitioners | |
| 4 | Captain Basil Hall: Forty Etchings From Sketches Made With The Camera Lucida, in North America, in 1827 and 1828 (1829) |
| 5 | Henry Fox Talbot: Camera lucida drawings (1833) |
| 6 | Henry Fox Talbot on using the Camera Lucida at Lake Como (1833) |
| 7 | John Herschel: Camera lucida drawings |
| Information requests | |
| 1 | Improving content on photographic techniques |
| Introduction | |
| 2 | Camera lucida: Design and use |
| Examples | |
| 3 | The camera lucida |
| Practitioners | |
| 4 | Captain Basil Hall: Forty Etchings From Sketches Made With The Camera Lucida, in North America, in 1827 and 1828 (1829) |
| 5 | Henry Fox Talbot: Camera lucida drawings (1833) |
| 6 | Henry Fox Talbot on using the Camera Lucida at Lake Como (1833) |
| 7 | John Herschel: Camera lucida drawings |