Theodolite - P.D

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.

Schätzpreis:€150

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