Vintage time counter year 1954 / technical and scientific tools n°4802

Ots Arnaud vintage time counter from 1954 for collectors. Graduated in 1/5 of a second totaling 30 minutes. No. 4802. Delivered with warranty dated May 24, 1954 and operating instructions. In original light wooden box. Brand: Arnaud technical and scientific tools. 1 route de chauffour / etrechy (seine et oise) Hand delivery in cannes and surrounding areas (free delivery) or. Sending by colissimo.