Meissen porcelain further precaution, very few workers knew the special secret ("arcanum") of how to make porcelain, and then perhaps only part of the process. Thus, for a few years, Meissen retained its monopoly on the production of hard-paste porcelain in Europe. By 1717, however, a competing production was set up at Vienna, as Samuel Stöltzel sold the secret recipe, which involved the use of kaolin, also known as china clay. By 1760 about thirty porcelain manufacturers were operating in Europe, most of them, however, producing frit based soft-paste porcelain. In order to identify the original Meissen products, Meissen developed markings that
La famille Plouffe La famille Plouffe La famille Plouffe was a Canadian television drama, more specifically a téléroman, about a Quebec family that first aired in the French-language on Société Radio-Canada in 1953. The show was created to fill a void in francophone television in Canada. Whereas the English Canadian television branch of the Canadian Broadcasting Corporation could broadcast English-language shows from American stations, the Francophone component of the CBC, Radio-Canada had to develop its own programs for French-Canadian viewers from the earliest days of television in Canada. This show was one of the few that helped to launch the téléroman genre of