Graphometer, 18th century  – Jean Francois Richer, Paris

Graphometer, 18th century – Jean Francois Richer, Paris

Stock Number: NM.2-17

E 925,=

Solid, but simple angle meter of brass in the original case, baize-covered inside.

Country of manufacture

France

Categories: Navigational instruments, Barometers & Meteorology

Description

Solid, but simple angle meter of brass in the original case, baize-covered inside. On this early instrument the compass is not yet fixed to the instrument. In the lid written with pencil, but barely legible: ‘Arsenal’ with address and the year 1846. In the case a little box with flap for tools and separate compass.

Richer had a workshop in Paris from 1743 until 1820.

All his instuments he simply signed with, Richer à Paris.

Date: second half 18th c.

HWL carying case: 15x28x15 cm   (5,9x11x5,9”)

HWL instrument: 21x26x13 cm   (8,2×10,2×5,1”)

Signed: Richer à Paris

Origin: France

Condition: good with some signs of use

 

 

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Bert van Leersum, managing director, sailed as ship’s officer with the mercantile marine, flew as navigator with the Royal Navy Air Force and was connected to the University Museum in Utrecht as curator.

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