Brass graphometer signed BERNIER Paris, France - Circa 1770

Brass graphometer signed BERNIER Paris, France - Circa 1770
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Brass graphometer signed "BERNIER au Niveau A Paris"
BERNIER Pierre (1727-1778) Paris.
France, second half of the 18th century - circa 1770
Brass, glass.
Width: 31.5 cm, Height with ball joint and without base: 15 cm

Openwork brass semicircle with two scales from 0 to 180 degrees, as well as two sighting pins. Engraved decoration of leaves and flowers.
The compass has an engraved background with a four-pointed compass rose and four additional directions. The directions are also engraved in full. The needle is slightly oxidized. The rim is engraved with the 0 to 180-degree scale in both directions.

A rotating arm is fixed to the main plate and is equipped with two sighting pins. Engraved in the same pattern.

The plate is fixed to a ball joint mounted on its support tube with a brass wing nut.

Pierre BERNIER (1727-1778): Apprenticed to Menant in 1742, received as a master founder in 1750. He signed "BERNIER au Niveau A Paris" on a graphometer dated 1771.

Source: Marcellin - Fromanger - "Dictionnaire des Fabricants Français d'Instruments de Mesure..."

 

Ref: YZG7ZBML61

Style Louis XV style (Scientific instruments of Louis XV style Style)
Period 18th century (Scientific instruments 18th century)
Country of origin France
Length (cm) 31.5
Width (cm) 15
Depth (cm) 12
Materials Brass
Shipping Time Ready to ship in 4-7 Business Days
Location 75007, PARIS, France
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