crown glass उदाहरण वाक्य
उदाहरण वाक्य
- Other additives used in crown glasses include zinc oxide, phosphorus pentoxide, barium oxide, fluorite and lanthanum oxide.
- In 1811 he constructed a new kind of crown glass and the German table glass both contained defects occasioning irregular refraction.
- Other methods of producing hand-blown window glass included broad sheet, blown plate, crown glass and polished plate.
- The company produced crown glass for windows, using sand from the " Lane bed " in nearby Lanesborough, Massachusetts.
- The most common type of achromat is the "'achromatic crown glass such as BK7, which has lower dispersion.
- Nearly everything inside is original, from the wide pine floors to the crown glass windows to the mammy bench in the kitchen.
- Other methods of producing hand-blown window glass included : broad sheet, blown plate, crown glass and cylinder blown sheet.
- Other historical methods for making window glass included broad sheet, blown plate, crown glass, polished plate and cylinder blown sheet.
- If the highest Abbe value is desired, the only choices for common lens optical material are optical crown glass and CR-39.
- A typical lens clock is calibrated to display the power of a crown glass surface, with a refractive index of 1.523.