Null Graphometer with pinule. Mobile barrel at rear. Signed "Lennel A La Sphère …
Description

Graphometer with pinule. Mobile barrel at rear. Signed "Lennel A La Sphère à Paris", dated 1778 (small dents). 18th century Height : 15 cm - Width : 29 cm Provenance: SPITZER Collection, then by descent

100 

Graphometer with pinule. Mobile barrel at rear. Signed "Lennel A La Sphère à Paris", dated 1778 (small dents). 18th century Height : 15 cm - Width : 29 cm Provenance: SPITZER Collection, then by descent

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