Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.
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Dutch circle, (cercle hollandais) from the 18th century, signed BERNIER Paris.

By Gallery CLOCKS AND FINE ARTS
1.250 €
18th century
Other style
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From: 25000, BESANCON, France
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    CLOCKS AND FINE ARTS

    CLOCKS AND FINE ARTS

    25000 BESANCON

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    Description
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    A full circle, also known as a Dutch circle, from the 18th century, signed BERNIER Paris.
    A scientific instrument for measuring horizontal terrestrial and celestial angles. It is made of brass. The first goniometers (instruments for measuring angles) were full circles. This brass instrument is equipped with a compass and pinnules. The rim is graduated from 0 to 360 degrees. It rests on a ball joint with a screw, known as a "butterfly" screw. Signed Bernier Paris on the rim.
    18th century, circa 1770-1780.
    Diameter 19 cm. With its case (in need of restoration: missing parts and wormholes).

    The Dutch circle was invented around 1550 by Gemma Frisius, who proposed it for topographic surveying by triangulation. It is also called a Dutch circle after its use in 1612 by a surveyor from the Netherlands (Jan Pieterszoon Dou) for a survey of his country. It was replaced by a semicircle, the graphometer, which was then sufficient and has been one of the surveyor's fundamental instruments for four centuries. Source: Measurements of Time and Space by Samuel Guye and Henri Michel.

    Exhibition: A graphometer signed Bernier, 1792, was presented under number 48 by the École Nationale des Ponts et Chaussées (National School of Bridges and Roads): Retrospective Museum of Class 15, Precision Instrument at the 1900 International Exposition in Paris - Installation Committee report.

    Condition report: Good condition, without any missing parts or damage. The case needs restoration (5 missing parts and wormholes).

    Shipping: For all shipping, please request a quote, indicating the city and country of destination. We will ensure very secure packaging. Shipping via UPS

    Ref: M72BYYIZCR

    Condition Good
    Style Other style (Scientific instruments of Other style Style)
    Period 18th century (Scientific instruments 18th century)
    Country of origin France
    Artist BERNIER
    Diameter (cm) 19
    Internal reference 026015800418
    Shipping Time Ready to ship in 2-3 Business Days
    Location 25000, BESANCON, France
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