| RefNo | AP/24/21/7 |
| Level | Item |
| Title | Unpublished diagrams, A and B mixtures by J F [John Frederick] Goddard |
| Creator | Goddard; John Frederick (1795-1866); English chemist |
| Date | 1864 |
| Description | Two diagrams showing the apparatus required for the production of A and B mixtures to be used in the production of Daguerreotypes.
Subject: Photography / Photomechanical processes / Chemistry |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |