Unidentified photographer / artist 1873 Holmes Stereoscope
Book illustration Google Books In "The Silver Sunbeam (Eighth edition)" by J. Towler (New York: E.& H.T. Anthony & Co., 1873), p.564, fig.56
Figure 56 is a cut of the Holmes Stereoscope. Though only a skeleton, it proves to be the most perfect instrument of its kind. It is made in a great variety of styles, sonic folding up into a small compass. (See Figs. 60 and 61.)
