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Lot 50

An A.Picart refractometer on stand,
French, late 19th century,

23 – 24 February 2021, 10:00 GMT
London, Knightsbridge

Sold for £573.75 inc. premium

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An A.Picart refractometer on stand, French, late 19th century,

signed A. Picart, 20 rue Mayet, Paris, with rack and pinion focusing to the eye piece and collimator, the tube mounted on brass column and iron tripod base, 21in (53cm) high

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