crown glass उदाहरण वाक्य

उदाहरण वाक्य

1. For example, the borosilicate glass Schott "'BK7 "'is an extremely common crown glass, used in precision lenses.
2. For example, the higher dispersion flint glasses have " V " < 55 whereas the lower dispersion crown glasses have larger Abbe numbers.
3. These lenses are used for UV photography, as the quartz glass has a lower extinction rate than lens made with more common crown glass formulas.
4. :Flint glass and crown glass can be replaced by any two materials with different Keenan Pepper 13 : 35, 6 January 2006 ( UTC)
5. These tend to be based on the material composition, for example " BK7 " is the Schott Glass classification of a common crown glass.
6. As well as the specific material named " crown glass ", there are other optical glasses with similar properties that are also called crown glasses.
7. As well as the specific material named " crown glass ", there are other optical glasses with similar properties that are also called crown glasses.
8. Glass with weaker dispersive power ( greater v ) is named " crown glass "; that with greater dispersive power, " flint glass ".
9. The town had early forges and saw mills, grist mills and tanneries, and in 1812, the Cheshire Crown Glass Company opened, as did a triphammer operation.
10. In collaboration ( 1827-1832 ) with optician George Dollond, Barlow built an achromatic lens that utilized liquid carbon disulfide . ( Achromatic lenses were important crown glass.