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Sphéromêtre / lens measure on stand
OPTOMETRIC INSTRUMENTS
lens measure
Europe: France
Early 20th c.
metal; glass
2007.329
OPTOMETRIC INSTRUMENTS
lens measure
Europe: France
Early 20th c.
metal; glass
Patent lens measurer comprising a round dial marked with dioptric and inch scales. Glazed front. White metal casing with screw-on stand. Single prong with metal protective cover. Finger pointer.
2007.329
Gift of Mr Les Hubbard, 2007