拍品专文
A similar design was registered c.1870
细节
Photograph viewer
A gilt-metal photograph viewing ball, each half with six 1¼ inch diameter apertures and one 2¼ inch diameter internal aperture, each with glass cover
A gilt-metal photograph viewing ball, each half with six 1¼ inch diameter apertures and one 2¼ inch diameter internal aperture, each with glass cover
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See illustration