Fine and rare German or Dutch maritime chart dividers dating to circa 1650. Stamped with double fleur de lys which according to Bonhams is a makers mark for Andreas Schupp. Constructed with a five leaf friction joint and octagonal head, opens and closes perfectly. Quite large at 7 3/8 inches/ 18.7 cm in length with nice detailing including molded profiles and incised circle decorations.
Similar examples can be found in several museum collections and past sales including:
Mathematisch-Physikalischer Salon, Dresden:
Museum Boijmans Van Beuningen, Rotterdam:
These dividers were a common tool for chart reading on 17th century transatlantic journeys and their remains have been found in many shipwrecks including the 17th century French ship La Belle in Texas:
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Instrumentum is based in the United States and specializes in high quality 17th and 18th century scientific instruments for architecture, mathematics and navigation. We have collected antique instruments for over 20 years with a focus on early and rare European architectural drafting sets, dividers, and rules. If you are interested in something particular please contact us at firstname.lastname@example.org. Image galleries of our inventory can be viewed on Pinterest and Facebook at the following links: