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A mahogany-body zograscope with 5 inch diameter magnifying lens and a 10 x 8 inch mirror each in a mahogany frame with decorative inlay, brass fittings, on an extending turned mahogany stand.

Details
A mahogany-body zograscope with 5 inch diameter magnifying lens and a 10 x 8 inch mirror each in a mahogany frame with decorative inlay, brass fittings, on an extending turned mahogany stand.
Literature
Mills, 'The optical diagonal machine or zograscope' in Bulletin of the Scientific Instrument Society No. 28 (1991), p.18-19.
Post Lot Text
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