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A pre-lit tree is an artificial Christmas tree which is pre-wired with Christmas lights. The lights are wrapped around the tree before it is sold, reducing set up time and making storage simpler. The lights are wrapped around the tree before it is sold, reducing set up time and making storage simpler.
Fiber optic trees come in two major varieties, one resembles a traditional Christmas tree. [17] The other type of fiber optic Christmas tree is one where the entire tree is made of wispy fiber optic cable, a tree composed entirely of light. [17] David Gutshall, of Johnstown, Pennsylvania, received a patent for the latter type of fiber optic ...
Christmas tree decorated with lights, stars, and glass balls Glade jul by Viggo Johansen (1891), showing a Danish family's Christmas tree North American family decorating Christmas tree (c. 1970s) A Christmas tree is a decorated tree, usually an evergreen conifer , such as a spruce , pine or fir , associated with the celebration of Christmas ...
Feather Christmas trees were first created in Germany in the 1880s [1] [2] or 1890s [3] and are regarded as one of the first types of artificial Christmas trees. [2] [4] These first artificial trees were, in part, a response to growing environmental concerns in the late 19th century concerning deforestation associated with the harvest of Christmas trees in Germany. [2]
Flocking is used in many ways. One example is in model building, where a grassy texture may be applied to a surface to make it look more realistic. Similarly, it is used by model car builders to get a scale carpet effect. Another use is on a Christmas tree, which may be flocked with a fluffy white spray to simulate snow.
The crystallography was reworked in 1959 by Clark and Christ and their study also provided the first powder x-ray diffraction analysis of ulexite. [12] In 1963 ulexite's remarkable fiber optics qualities were explained by Weichel-Moore and Potter. [ 13 ]