Description
SEMAR Nautical Chart SM423.2: Bahia Tenacatita, Jal. Media:Paper IUA Marine Policy IUA Marine Policy each mirror and shade glass is tested for perfect flatness by the Fresnel diffraction pattern method
SEMAR Nautical Chart SM423.2: Bahia Tenacatita, Jal. Media:Paper IUA Marine Policy IUA Marine Policy each mirror and shade glass is tested for perfect flatness by the Fresnel diffraction pattern method