The Crown glass process was used up to the mid-19th century.

Crown glass is still made today, but not on a large scale.

This would eventually dispose the previous working method of Crown glass.

Crown glass was one of the two most common processes for making window glass until the 19th century.

Crown glass was an early type of window glass.

Who would have thought a President would have taken all this trouble with crown glass, for example?

It's fingerprint scanning window is crown glass with a thickness of 14 mm.

Crown glass is an example of a relatively inexpensive low-dispersion glass.

He inveighed against crown glass, small window panes and the window tax.

Crown glass (optics) is a type of optical glass used in lenses.

Crown glass is one of many types of hand-blown glass.

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

Nearly everything inside is original, from the wide pine floors to the crown glass windows to the mammy bench in the kitchen.

The original Georgian crown glass sash windows with glazing bars no longer exist.

Window glass was produced throughout the period on a small scale, in the form of crown glass and broad glass.

Fraunhofer therefore made his own crown glass.

One of the earliest methods of glass window manufacture was the crown glass method.

The window was not constructed to be opened and, being made of crown glass set in a lead frame, could not be smashed out.

Later windows often had crown glass, which has a much better surface quality and shows slight concentric ripples that form as the disk is spun.

Crown glass is either of two kinds of glass:

MgF on a crown glass surface gives a reflectance of about 1%, compared to 4% for bare glass.

The gables include crown glass louvres.

Medieval stained glass panels could be created either by the cylinder blown sheet or crown glass (window) method.

Bullseye, alternative name for crown glass (window)

As an example, the coefficients for a common borosilicate crown glass known as BK7 are shown below: