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Davidson Double Optometer
OPTOMETRIC INSTRUMENTS
optometer
F. Davidson & Co.
Europe: United Kingdom, England, London
Late 19th c.
brass; wood
overall (including stand): 590 x 570 x 180 mm

Two large wooden lens discs containing round lenses with brass frames. Revolving single trial lens frames on each disc. Brass stem and square-section rod. Round based stand with green baize underside.


1999.3050

Gift of Mr John Watson Prentice, FBOA, 1957



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