Description
Ships and Naval Architecture, Revised 2020 Edition Media:Book Published Date: October 2016 Published Date: October 2016 each mirror and shade glass is tested for perfect flatness by the Fresnel diffraction pattern method
Ships and Naval Architecture, Revised 2020 Edition Media:Book Published Date: October 2016 Published Date: October 2016 each mirror and shade glass is tested for perfect flatness by the Fresnel diffraction pattern method