Traveling, silver sun dial with compass. Octagonal plate engraved with three hour scales. Folding gnomon with compass designed as a bird. Reverse with city latitudes.
Signed Butterfield à Paris. Lily hallmark : 1717-1722.
Length: 5,2 cm (2 in.).
Michel Butterfield (born in 1635) moved to France in 1677 as a mathematic toolmaker and named a pocket sun dial after himself.
His workshop was at faubourg St-Germain in 1678, "rue Neuve des fosse" and in 1697 "aux armes d'angleterre sur le quai des Morfundus".
- 数量 0
- 参照号码 Expertissim : 160210
- 备注 : Please note that timekeeping accuracy has not been verified and Expertissim can not be held liable for any repair costs.
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