Description
Graphometer - Butterfield, Paris - E. 18th century - Semi-circular instrument with compass, angle scale and four diopters, ball joint with tripod attachment. Brass, in original leather case with embossed fleur-de-lys decoration. Engraved inscribed "Nebel à Paris Au Butterfield". Overall approx. 13.5 x 25.5 x 13 cm. - One sight wire cracked, case with repairs.
663
Graphometer - Butterfield, Paris - E. 18th century - Semi-ci
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