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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 ...
The Dounce homogenizers, devices used for mechanical lysis of tissue or cells, were invented by and named after Alexander Dounce. Invented by and named for Alexander Dounce [1] [2], a Dounce homogenizer or "Douncer", is a cylindrical glass tube, closed at one end, with two glass pestles of carefully specified outer diameters, intended for the gentle homogenization of eukaryotic cells (e.g ...
Export occurred in two ways: either through trading or through invasion and theft of pottery and the abduction to Japan of families of potters who made the wares. [26] The voluntary immigration of potters was improbable since Joseon pottery was administrated by the Ministry of Knowledge Economy (工曹).
Apsley Pellatt in his book Curiosities of Glass Making was the first to use the term "millefiori", which appeared in the Oxford English Dictionary in 1849; prior to that, the beads were called mosaic beads. While the use of this technique long precedes the term "millefiori", it is now most frequently associated with Venetian glassware. [2] [3]
Wedgwood jasperware can often be dated by the style of potter's marks, although there are exceptions to the rules: Before 1860: Mark is "Wedgwood". Usually accompanied by other potter markings and a single letter. From 1860 to 1929: A three-letter mark represents in order, the month, the potter, and the year. The year code starts mid-alphabet ...
Two principal techniques are used to produce seed beads: the wound method and the drawn method. The wound method is the more-traditional technique, is more time-consuming, and is no longer used in modern bead production: in this technique, a chunk of glass known in glassmaking as a gather and composed mainly of silica is heated on an iron bar until molten.
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