18th century French proportional dividers

18th century French proportional dividers

Stock Number: INVBD35

$800

For sale - fine 18th century French proportional dividers, before 1750.

Dimensions

24cm

Circa

1750

Country of manufacture

France

Categories: Scientific, Drawing Instruments

Description

Proportional dividers were used for transferring drawings or sculpture from one scale to another. This is an unusually large example (24cm) in brass and steel with decorative details and a sliding thumb screw for fine adjustments. 

A similar example is contained in Jaques Canivet’s box of silver drawing instruments at the Louvre, made as a gift for Louis XV in 1763:

https://www.photo.rmn.fr/archive/00-011997-2C6NU04RGRGR.html

https://www.photo.rmn.fr/archive/99-017491-2C6NU0X8K0MU.html

The decoration on this piece points to an early date, perhaps the first half of the 18th century.

From Paris.

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US Instrumentum

Instrumentum is based in the United States and specializes in high quality 17th and 18th century scientific instruments for mathematics, architecture/engineering, navigation, and the building trades. We have been collecting instruments, mainly from Europe, for over 20 years and have a particular interest in early continental and British architectural drafting sets and dividers. Please contact us at instrumentuminfo@gmail.com.

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