Theodolite - Heller & Brightly - 1870-1900 - United States - Ancienne lunette de géomètre télescopique , optique

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Starting bid
€ 1
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Rob ter Ellen
Expert
Selected by Rob ter Ellen

Over 35 years' experience specialising in cameras and optical equipment.

Estimate  € 160 - € 200
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Antique geometer's telescope, optical, model Heller & Brightly, in good physical condition and tested and in working order.

AI-assisted summary

Description from the seller

Old surveyor's brass telescope / topographic surveying instrument, plausibly attributable to Heller & Brightly, an American manufacturer of precision instruments based in Philadelphia. The instrument features a long brass telescopic tube paired with a substantial graduated circle with vernier, as well as various precision adjustments enabling the measurement of angles and inclinations during surveying, mapping and topography work.. Beautiful antique patina with signs of use and oxidation. Dating estimated: late 19th century, around 1870-1900. Attribution to Heller & Brightly.

Highly sought after in the world of industrial design, scientific curiosities, antique medical technology, laboratory optics, steampunk, and rare measuring instruments.
Ideal for a collector, decor of an industrial loft, cabinet of curiosities, scientific display case (theodolite, microscope, sextant, compass)

Old surveyor's brass telescope / topographic surveying instrument, plausibly attributable to Heller & Brightly, an American manufacturer of precision instruments based in Philadelphia. The instrument features a long brass telescopic tube paired with a substantial graduated circle with vernier, as well as various precision adjustments enabling the measurement of angles and inclinations during surveying, mapping and topography work.. Beautiful antique patina with signs of use and oxidation. Dating estimated: late 19th century, around 1870-1900. Attribution to Heller & Brightly.

Highly sought after in the world of industrial design, scientific curiosities, antique medical technology, laboratory optics, steampunk, and rare measuring instruments.
Ideal for a collector, decor of an industrial loft, cabinet of curiosities, scientific display case (theodolite, microscope, sextant, compass)

Details

Era
1400-1900
Over 200 years old
No
Number of objects
1
Manufacturer/brand
Ancienne lunette de géomètre télescopique , optique
Model/type number
Heller & Brightly
Material
Brass
Country of origin
United States
Physical condition
Good
Functional condition
Tested and working
Height
20 cm
Width
12 cm
Depth
12 cm
Estimated period
1870-1900
Sold by
FranceVerified
42
Objects sold
Private

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