| crown glass |
a glass blown into a globe which is later flattened and spun to form a disk optical crown: optical glass of low dispersion and low refractive index
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| crown glass |
Usually refers to ophthalmic glass of refractive index 1.523.
출처: www12.mawebcenters.com/coltslaboratories/gloss.ivn...
|
| crown glass |
Rotating the glass as it is blown, a by product is a disk shape with a crown, in the center. This is also called a Roundel.
출처: www.glassart.biz/Glossary/C.asp
|