Rob ter Ellen

Optical Equipment Auction (Microscopes & Landsurvey)

Old theodolite – pivoting surveyors' square in brass – around 1880–1900 Sté des Lunetiers

Superb old brass theodolite / surveyors' square, dating from the late 19th century or very early 20th century (circa 1880–1900).
This surveying instrument was used by surveyors and engineers to trace or verify right angles on the ground, before the generalization of modern optical theodolites.
with its box .

The cylindrical body features several 90° sighting slots and a circular graduation engraved at its base.
Entirely made of solid brass, the instrument shows a beautiful patina of time, testifying to its age and quality of manufacture.
A beautiful antique scientific instrument, decorative, perfect for a collector or enthusiast of engineering objects (microscope, sextant, compass, steampunk).

Ancien théodolite – équerre d’arpenteur pivotante en laiton – vers 1880–1900 Sté des Lunetiers

Superbe théodolite / équerre d’arpenteur ancienne en laiton massif, datant de la fin du XIXᵉ siècle ou du tout début du XXᵉ siècle (vers 1880–1900).
Cet instrument de topographie était utilisé par les géomètres et ingénieurs pour tracer ou contrôler des angles droits sur le terrain, avant la généralisation des théodolites optiques modernes.
avec sa boite .

Le corps cylindrique présente plusieurs fentes de visée à 90° et une graduation circulaire gravée à sa base.
Entièrement en laiton massif, l’instrument affiche une belle patine du temps, témoignant de son âge et de sa qualité de fabrication.
Un bel instrument scientifique ancien, décoratif, parfait pour collectionneur ou amateur d’objets d’ingénierie ( microscope , sextant , boussole . steampunk )




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Theodolite - Sté des Lunetiers , équerre d’arpenteur Ancien laiton - 1880-1900 - France

Brass, Wood - Good

France

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Over 200 years old

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Old brass theodolite and surveyor's square by Sté des Lunetiers, circa 1880–1900, with its box, 13 cm high, 5.5 cm wide and 5.5 cm deep, in good physical condition and tested and working.

Theodolite - Sté des Lunetiers , équerre d’arpenteur Ancien laiton - 1880-1900 - France

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Old brass theodolite and surveyor's square by Sté des Lunetiers, circa 1880–1900, with its box, 13 cm high, 5.5 cm wide and 5.5 cm deep, in good physical condition and tested and working.

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