Daguerreotype, stereo, detail Private collection of Jan Schimmelman Comment from Jan Schimmelman (Facebook, 11 May 2014)
The plaster sculptures were part of the photo studio of Claude-Marie Ferrier who made stereo daguerreotypes for the Parisian optician Louis-Jules Duboscq, probably 1850-52. Ferrier photographed the sculptures separately as well. By 1852 he is making glass stereoviews for Duboscq.
It HAS to be Ferrier, but I would be more cautious as there are no signed stereo daguerreotypes by Ferrier, just a mention in the literature that he made the stereo daguerreotypes sold by Duboscq and he clearly was working for Duboscq by May 1851 when Duboscsq called him to London to see Langenheim's magic lantern slides on display at the Crystal Palace. Put two of those things together and you have a glass stereoview . . . brilliant.
