à pinnules d’arpenteur Ancien

Old brass surveyor's pinnule graphometer, presented with its original wooden box. A topography and geodesy instrument intended for measuring horizontal angles and field surveys. It features a finely engraved angular graduation, a pinnule sighting system, a large adjustment wheel, and an integrated bubble level to ensure the instrument is level. Beautiful antique construction entirely in brass, with natural patina and signs of use that attest to its authenticity. An interesting piece for a collector of scientific instruments, surveying, topography, a surveyor, or for decorating a cabinet of curiosities. Overall good condition considering its age, with wear and old markings visible in the photos. *** not tested **** Brass construction with fine patina, engraved graduations, authentic collectible piece, ideal for collectors, enthusiasts of antique instruments (theodolite, microscope, sextant, telescope, steam engine, telegraph, Morse) or vintage industrial decoration.

估價:$134.75

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