Theodolite - Frontofocomètre , Guilbert-Routit & Cie , professionnel - 1940-1960 - France - opticiens pour mesurer avec précision la puissance et l’orientation , optique

An antique professional frontofocometer from the French firm Guilbert-Routit & Cie, Paris, probably dating from the mid-20th century, around 1940–1960. This precision optical instrument was used by opticians and ophthalmology professionals to measure the power of corrective lenses, determine their optical characteristics, and check the centering as well as the orientation of the lenses' axes. Robust cream-colored metal construction, with a tubular optical system, adjustment mechanisms, and a support designed for positioning the lenses. It bears its original manufacturer plaque reading “Guilbert-Routit & Cie – Paris B.173.” A handsome antique scientific and medical instrument, representative of French craftsmanship in optics. Shows signs of use, paint loss, and a patina related to its age. General condition in line with the photographs; operation not verified.

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