Offered for sale are these rare and well-preserved brass and steel wing dividers with beautiful original patina and crisp details. Features the octagonal globe head characteristic of the 17th century and threaded steel arc with butterfly thumbscrew for precise adjustments. While the simple version of this instrument is more common, this is the only example of this pattern that we have seen with an arc for fine adjustment of the legs.
Most likely made in southern Germany, Nuremberg or Augsburg. Similar dividers are depicted in a 1640 portrait of a mathematical instrument maker by Pier Paolini:
Condition: Functions perfectly, beautiful even patina, a few minor verdigris spots and coloration of the steel
Dimensions: 15.8cm / 6 ¼ inches
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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. Please check regularly as new additions are made and prices may change. If you are interested in something particular please contact us at firstname.lastname@example.org.