ANTIQUE FRENCH BRASS COURSE PLOTTER OR SINGLE ARM PROTRACTOR BY SECRETAN, PARIS, c1860
Stock Number: SI0361
Antique French brass course plotter or single-arm protractor with engraved maker's name "Secretan a Paris," in original mahogany case with manufacturer's paper label, c1860
7 inches diameter x 14 inches long
Country of manufacture
Antique, c1860, French brass course plotter or single-arm protractor with engraved maker’s name: “Secretan a Paris,” in original mahogany case with manufacturer’s paper label. The 360 degree 7″ diameter circle with vernier; the arm 14″ in length from centre of circle.
The case lacks closing hooks but otherwise in fair condition, commensurate with usage and age.
Case dimensions: 19″ long 8″ wide x 2 1/4″ deep.
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