拍品专文
Introduced in 1860 this design of stereoscope proved to be popular and developed the design outlined in Beck's patent of 1859 (see lot 2). The company adopted the name of R & J Beck from c.1867 until 1894.
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细节
Achromatic stereoscope no. 288
R. & J. Beck, London; polished-wood body, brass fittings, with a pair of focusing lenses, the stereoscope inverting into mahogany box
R. & J. Beck, London; polished-wood body, brass fittings, with a pair of focusing lenses, the stereoscope inverting into mahogany box
出版
Paul Wing (1996), Stereoscopes: The First One Hundred Years, p. 35.