Hermann's machines for making chocolate at the Great Exhibition of the Works of Industry of All Nations of 1851 at the Crystal Palace in London, Chocolate Machines. Hermann (title on object), photograph, Ferrier & F. von Martens, (attributed to), printer: Nicolaas Henneman, printer: Robert Jefferson Bingham, London, 1851, photographic support, salted paper print, height, 137 mm × width, 211 mm

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Photo credit: © Penta Springs / Alamy / Afripics
License: Licensed
Model Released: No

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