Noun:

ଗ୍ଲାସ୍,

crown glass's Usage Examples:

A concave lens of flint glass is commonly combined with a convex lens of crown glass to produce an.

is commonly combined with a convex lens of crown glass to produce an achromatic doublet lens because of their compensating optical properties, which reduces.

equivalent from other makers, such as the Chinese crown glass K9), a very finely made borosilicate crown glass.

A Tessar comprises four elements in three groups, one positive crown glass element at the front, one negative flint glass element at the center.

high dispersion, and the other is a positive (convex) element made of crown glass such as BK7, which has lower dispersion.

Often one element is made from crown glass and the other from flint glass.

It has a cubic structure and is used in cathode ray tubes, crown glass, and catalysts.

is desired, the only choices for common lens optical material are optical crown glass and CR-39.

BAK-4 barium crown glass has a higher index of refraction than BK7, and is used for prisms in high-end binoculars.

making flat glass include: Broad sheet method (13th century) Window crown glass technique (14th century) Blown plate method (17th century) Plate polishing.

The crown glass was made by Mantois of Paris and the flint glass by the optical works at Jena in Germany.

Other methods for making hand-blown glass included: broad sheet, crown glass, polished plate and cylinder blown sheet.

value is desired, the only choices for common lens optical material are optical crown glass and CR-39.

Synonyms:

milk glass, optical glass, safety glass, soft glass, glasswork, natural glass, solid, Pyrex, lead glass, crown glass, wire glass, stained glass, shatterproof glass, glassware, sheet glass, soluble glass, sodium silicate, water glass, drinking glass, laminated glass, plate glass, ground glass, opal glass,

Antonyms:

low, inferior, bottom, side, heat,