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Theodoliet Zelfreducerende tacheometer * J.L SANGUET – Messing – Eind 19e eeuw

Huidig bod: € 290
Veilinghuis: Catawiki
Veiling loopt tot: 2020-10-26 21:53:12
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RareJ.L. self-reducing tacheometer. Sanguet, inventor builder, 31, rue Monge, Paris. Late 19th century.
Brass with silver plated ladders. Height: 33 cm D. of the top14 cm. Tilting bezel 35 cm.
Spirit level OK.
This instrument, designed to measure azimuthal angles, distances and declivities, was patented by Jean Louis Sanguet (1848-1921) in 1866 and perfected over the following decades.
He won a gold medal at the 1889 International Exhibition.
Signed on the horizontal circle.
Circa 1900.

in Antiek / Meubels en kunstvoorwerpen

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