A beautiful parallel ruler (tool) in which the Schreger lines are clearly visible.
This was used in ships for navigating maps.
Parallel rulers are a drawing instrument used by navigators to draw parallel lines on maps.
This item is made of elephant ivory and will be delivered including a certificate. This certificate was drawn up by Mr. A Keddeman. The appraiser viewed this item physically and confirmed the material and dating. (Certificate: 2224)
International parcels: Our parcels are securely shipped with Track & Trace and insurance in proper packaging.
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- Règle parallèle
- Époque estimée
- Vers 1890
- Pays d’origine
- 15.5×3.5×0 cm
- 21.4 g