Galerie Delalande Paris

Brass proportional compass with iron spikes with 2 mobile arms forming a square, polygon scales. Each face is engraved with a scale: one marked "C" and the other "L". The inner hinge and the rivets are made of copper.

Note : It is repertoried as done by Michel COIGNET in the 2 books of Meskens referenced below.

References :

- Ad Meskens Familia Universalis: Coignet 1998 pp 99 and 100

- Ad Meskens Practical Mathematics in a commercial Metropolis - Mathematical Life in Late 19th Century Antwerp - Springer 2013 pp 165/166

- Scientific and Technical Instruments of the Qing Dynasty - The complete collection of Treasures of the Palace Museum - Beijing - Commercial Press - Hong Kong 1998 No. 70 page 84.

Dimensions : length 14.5 cm x width 2.8 cm x thickness 0.3 cm.

Anvers c. 1600/1610.




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