The Idealoscope. A clappable viewer for glass stereoviews.

The apparatus is focussed to suit the eye by bushing the picture holder backwards and forward; this is done till the two pictures unite in a whole representing a natural perspective.

To close the apparatus again the front wall is first so returend to ist original position that the dividing wall can be conveniently laid over to the right.

Stereoscopic views 4,5x10,7cts. Fit for the Idealoscope .In finest high lustre workmanship. Per series of 26 pieces Mk. 1,60. "

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