Theodolite - P.D. Lyon Ancien niveau à collimateur / éclimètre Indéréglable , optique topographique - 1880-1910 - France - Ancien , militaire , rare , scientifique
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Selected by Rob ter Ellen
Over 35 years' experience specialising in cameras and optical equipment.
Estimate € 150 - € 200
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Ancien P.D. Lyon portable collimator level / inclinometer for topography, in brass, 15 cm high by 4.5 cm wide by 5 cm deep, manufactured in France, dating to circa 1880–1910, physical condition Bon and tested and in working order.
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Description from the seller
An antique collimator level / portable clinometer “P.D. Lyon”, a precision instrument intended for surveying, geodesy, leveling, and measuring inclinations. Beautiful old brass construction, equipped with an internal optical system with a reading window and knurled adjustment elements. This type of compact instrument was used by surveyors, engineers, and public works professionals for field surveys and slope control. A beautiful old scientific piece presenting a natural patina, brass wear, and signs of use consistent with its age. An interesting item for collectors of topographic, geodetic, scientific instruments and old engineering equipment. Recommended dating: around 1880–1910.
A fine old scientific instrument, both functional and decorative, perfect for a collector or hobbyist of objects. Optical equipment used by military engineers for topography and artillery. vintage workshop/science decoration ( microscope, sextant, compass, telescope, loupe, monocular, mariner's compass ) or for display. A fine example of French precision equipment.
A fine old scientific instrument, both functional and decorative, perfect for a collector or hobbyist of objects. Optical equipment used by military engineers for topography and artillery. vintage workshop/science decoration ( microscope, sextant, compass, telescope, loupe, monocular, mariner's compass ) or for display. A fine example of French precision equipment.
An antique collimator level / portable clinometer “P.D. Lyon”, a precision instrument intended for surveying, geodesy, leveling, and measuring inclinations. Beautiful old brass construction, equipped with an internal optical system with a reading window and knurled adjustment elements. This type of compact instrument was used by surveyors, engineers, and public works professionals for field surveys and slope control. A beautiful old scientific piece presenting a natural patina, brass wear, and signs of use consistent with its age. An interesting item for collectors of topographic, geodetic, scientific instruments and old engineering equipment. Recommended dating: around 1880–1910.
A fine old scientific instrument, both functional and decorative, perfect for a collector or hobbyist of objects. Optical equipment used by military engineers for topography and artillery. vintage workshop/science decoration ( microscope, sextant, compass, telescope, loupe, monocular, mariner's compass ) or for display. A fine example of French precision equipment.
A fine old scientific instrument, both functional and decorative, perfect for a collector or hobbyist of objects. Optical equipment used by military engineers for topography and artillery. vintage workshop/science decoration ( microscope, sextant, compass, telescope, loupe, monocular, mariner's compass ) or for display. A fine example of French precision equipment.
Details
Era
1400-1900
Over 200 years old
No
Number of objects
1
Manufacturer/brand
Ancien , militaire , rare , scientifique
Model/type number
P.D. Lyon Ancien niveau à collimateur / éclimètre Indéréglable , optique topographique
Material
Brass
Country of origin
France
Physical condition
Good
Functional condition
Tested and working
Height
15 cm
Width
4.5 cm
Depth
5 cm
Estimated period
1880-1910
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