45 x 55mm gilt locket with rope work surround containing Collodion positive 25 x 35mm of a young man, originally coloured now somewhat faded. gilt locket with collodion positive
Microscope slide with 28 x 28mm collodion reproduction of grid numbered 1-50 on each axis - squares marked 1/1-50/50. Maltwood finder and manufactured name inscribed diamond. R. & J. beck. R. & J. Beck maltwood finder 1853-1863
Portrait of the scientist, Michael Faraday. This wet collodion positive on glass was used by William Henry Fox Talbot to make a photographic, or photoglyphic engraving on paper. Portrait of Michael Faraday before 1877
Oval Collodion positive of a woman, half length, 32 x 40mm. In swivel mount back by carved ivory scene of two doves with foliage and urn. Pinchbech frame with leaf motif with brooch and pin ring. Collodion positive in ornamental brooch