black, and white. Some 19th-century glass makers called milky white opaque glass "opal glass". The name milk glass is relatively recent. Made into decorative...

wood opal, which is caused by the replacement of the organic material in wood with opal; menilite, which is brown or grey; hyalite, a colorless glass-clear...

was added to the opal vase. Most green or yellow opaline glass is uranium glass. Many different pieces were produced in opaline glass, including vases...

diffusers may use translucent material, including ground glass, teflon, opal glass, and greyed glass. A perfect (reflecting) diffuser (PRD) is a theoretical...

opal with a glassy lustre. It may exhibit an internal play of colors if natural inclusions are present. It is also called Muller's glass, water opal,...

synthetic opalescent glass and various opal and moonstone simulants. Other names for this glass product include argenon, sea opal, opal moonstone, and other...

(built 1840–1860). At that time it was the only firm able to make the opal glass for the four faces of the Westminster Clock Tower which houses the famous...

Art Glass Company is a glass manufacturer founded in 1905 by brothers Frank L. Fenton and John W. Fenton. The original factory was in an old glass factory...

including reducing power to the light source or using an opal glass bulb or an opal glass diffuser between the bulb and the sample. These methods are...

illuminated opal glass bands carrying advertising, inspiring illumination on other central Prague buildings and causing bands of opal glass to become a...

on an opal glass window inside a wall in a small darkened room. In 1890, Anschütz introduced a long cylindrical version with six small opal glass screens...

be seen in materials like certain minerals, glass, and even fluids. Each of the three notable types of opal – precious, common, and fire – display different...

flame or sunlight give more even illumination. Alternatively, a ground or opal glass diffuser can be used to homogenize the light source, but this will cause...

created two new types of glass: culinary opal and colored opal, which allowed for the sale of collections of through-colored opal glass. In early February 2021...

square of white ceramic material or opal glass. For a transmissive type, opaque stripes are printed on a transparent glass substrate. A transmissive type may...

different types of glass. Opaque tempered soda–lime glass was used to create decorated opal ware bowls and bakeware, and aluminosilicate glass was used for...

illuminated by a sparking spiral Geissler tube and displayed on a small opal glass window in a wall in a darkened room for up to seven spectators. Different...

company set up a small factory in Madhupur, Jharkhand, to manufacture opal glass in India for the first time. Founded in by Sushil Jhunjhunwala and Ajit...

formulation. One drop of the patient's serum to be tested is mixed on an opal glass slide with one drop of a particulate suspension of guinea-pig kidney stroma...

the case of opal doublets, a backing layer of onyx or matrix (ironstone) gives the more fragile opal layer support and can make the opal look darker and...

fluorosilicate is used in some countries as additives for water fluoridation, opal glass raw material, ore refining, or other fluoride chemical (like sodium fluoride...

thousands of paying costumers with his Electrotachyscope, on a small opal glass screen since 1887 and on a large screen from November 1894 to March 1895...

including extensive patterned brickwork (Flemish bond and herringbone), opal glass windows and a marquee of chains. Stylized "AT" symbols, representing the...

create reflection and sparkle behind milky glass or quartz faces. Though technically incorrect, other simulated opals with various types of sparkling inclusions...

in 1908. Meyercord made "vitrolite" signs. These were curved or flat opal glass signs in a metal frame on which a company logo or an advertisement were...

scene, 24 glass plates with chronophotographic images were attached to the edge of a large rotating wheel and thrown on a small opal-glass screen by very...

solution du problème 1869 Jeanrenaud French Double transfer with an opal glass 1870 Gobert French 1870-1873 printing on metal plates 1873 Marion French...

Glass Works in 1940. He carried out research on glass and ceramics, which led to several inventions. Stookey studied and experimented with opal glass...

an amorphous glass and not a true crystal; lignite (jet) is derived from the decay of wood under extreme pressure underground; and opal is a mineraloid...

other hand, amorphous silica can be found in nature as opal and diatomaceous earth. Quartz glass is a form of intermediate state between these structures...