Société Optique et Précision de Levallois, S.A. (OPL) was founded in 1919, although its predecessor dated from 1911. It produced rangefinders, military...
1 KB (112 words) - 16:42, 22 April 2021
Fouquet France portal Optique & Précision de Levallois Levallois technique Communes of the Hauts-de-Seine department Levallois-Perret attack "Répertoire...
16 KB (1,608 words) - 10:40, 21 August 2024
Quito Astronomical Observatory (redirect from Observatorio Astronómico de Quito)
by Abelardo Alde. Danjon Prismatic Astrolabe (1954), by Optique et Précision de Levallois. Meridian circle (1889), by Repsold & Söhne. Gauthier Chronograph...
5 KB (476 words) - 01:08, 22 April 2024