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Bourdon & Richard Aneroid Barometer on Stand Retailed by EG Wood, 74 Cheapside, London
Early Bourdon Aneroid Mantel Barometer in Ebonised Wood Case
French Victorian Bourdon Aneroid Barometer on Stand by Jules Richard of Paris
Rare Cased Aviation Bourdon Tube Barograph by Richard Freres of Paris
Victorian Bourdon Barometer by Jules Richard with Painted Glass Dial