When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Glass bead making - Wikipedia

   en.wikipedia.org/wiki/Glass_bead_making

   Lampworked dichroic glass bead showing thin film application Furnace glass beads. A variant of the wound glass bead making technique, and a labor-intensive one, is what is traditionally called lampworking. In the Venetian industry, where very large quantities of beads were produced in the 19th century for the African trade, the core of a ...

3. Bead - Wikipedia

   en.wikipedia.org/wiki/Bead

   Austrian crystal is a generic term for cut lead-crystal beads, based on the location and prestige of the Swarovski firm. Czech glass beads are made in the Czech Republic, in particular an area called Jablonec nad Nisou. Production of glass beads in the area dates back to the 14th century, though production was depressed under communist rule.

4. Fused quartz - Wikipedia

   en.wikipedia.org/wiki/Fused_quartz

   Fused quartz is produced by fusing (melting) high-purity silica sand, which consists of quartz crystals. There are four basic types of commercial silica glass: Type I is produced by induction melting natural quartz in a vacuum or an inert atmosphere. Type II is produced by fusing quartz crystal powder in a high-temperature flame.

5. Lead glass - Wikipedia

   en.wikipedia.org/wiki/Lead_glass

   Cut glass wine glass made of lead glass. Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. [1] Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]

6. Preciosa (corporation) - Wikipedia

   en.wikipedia.org/wiki/Preciosa_(corporation)

   In 1680, Johann Kaspar Kittel created the first necklaces made of Bohemian glass beads in Jiřetín pod Jedlovou. After refining the beads, Kittel sells them all over the Bohemian and Saxon lands, as well as establishing more trading locations. [3] In 1711, the Fischer brothers brought the secrets of crystal cutting and polishing to North Bohemia.

7. Rona glassworks - Wikipedia

   en.wikipedia.org/wiki/Rona_glassworks

   1892: Establishment of glassworks Schreiber and nephews (Schreiber und Neffen) by its owner and founder Joseph Schreiber.The glassworks starts with the production of flat glass and tableware pressed glass, but mainly focused on the production of drinking glasses and sets for wholesale customers (hotels, medical centers, cafeterias) under the brand name Rona Crystal.