Examples of 'crown glass' in a sentence
Meaning of "crown glass"
crown glass - Crown glass refers to a type of glass that has a high refractive index and is commonly used in lenses and optical instruments due to its clarity and quality
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- An early type of window glass made by blowing glass into a hollow globe (crown) and then flattening it on a punty, reheating and spinning out into a flat disk by centrifugal force.
- A variety of glass used in lenses and other optical components due to its low refractive index and dispersion. Originally crown glass was made from alkali-lime silicates with approximately 10% potassium oxide, but similar properties may be attained with other recipes.
How to use "crown glass" in a sentence
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crown glass
Crown glass was an early type of window glass.
Optical crown glass.
Crown glass process.
One of the earliest methods of glass window manufacture was the crown glass method.
A positive element of crown glass and a negative element of flint glass are employed.
The first method for manufacturing window glass was the crown glass method.
Crown glass is a type of optical glass used in lenses and other optical components.
A new development of barium crown glass which will protect you from all dangerous rays.
The mold is made from Crown glass.
The original Georgian crown glass sash windows with glazing bars no longer exist.
Schott glasses have higher refractive index than soda-lime crown glass without higher dispersion.
The crown glass may have an edge thickness of about 3.4mm.
Often one element is made from crown glass and the other from flint glass.
Iontophoresis was conducted with side-by-side diffusion cells obtained from the Crown Glass Co.
A K in a Schott name indicates a crown glass ( Krone in German - Schott is a German company ).
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Fraunhofer, therefore, made his own crown glass.
During the 11th-century, the crown glass process made sheets of glass.
Generally the lens 58 is a biconvex lens formed from crown glass material.
The Crown glass process was used up to the mid-19th century.
As illustrated in Figure 12, the objective lens may include crown glass and flint glass.
Ah, the crown glass process, I see.
Generally, lens 54 is a concave-convex lens formed from a crown glass material.
In the early 1800 's, there was a great demand for window glass which was called crown glass.
The bi-convex shaped lens is made of a very high-refractive-index crown glass Schott LaKN13.
In 1833, Barlow built an achromatic doublet lens of joined flint glass and crown glass.
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Examples of using Glass
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He had a little glass of wine last night
Glass jugs are available from your retailer
I noticed the glass bedpan on your mantel
Examples of using Crown
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Push the two crown halves apart
And crown thy good with brotherhood
Seven stars and a crown on a field of blue
