dispersion-strengthened
51Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …
52History of the Jews in Egypt — Egyptian Jews constitute perhaps the oldest Jewish community outside Israel in the world.Fact|date=October 2008 While no exact census exists, the Jewish population of Egypt was estimated at fewer than a hundred in 2004, [… …
53ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
54FRANCE — (Heb. פְרַאנְצִיָּה and צָרְפַת), country in Western Europe. This entry is arranged according to the following outline: from the first settlements unil the revolution the roman and merovingian periods from the carolingians until the eve of the… …
55Glass — This article is about the material. For other uses, see Glass (disambiguation). Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia …
56Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
57ECONOMIC HISTORY — This article is arranged according to the following outline: first temple period exile and restoration second temple period talmudic era muslim middle ages medieval christendom economic doctrines early modern period sephardim and ashkenazim… …
58MODERN TIMES – FROM THE 1880S TO THE EARLY 21ST CENTURY — introduction effects of anti jewish discrimination in russia pogroms and mass emigration german jewry racism and antisemitism The Economic Crisis of the Early 1930s In Soviet Russia after 1917 new types of social organization contribution to… …
59MIXED MARRIAGE, INTERMARRIAGE — The terms intermarriage and mixed marriage are used interchangeably. Intermarriage in the present context is defined as a marriage where one partner professes a religion different from that of his spouse. Marriages in which a partner has… …
60PENTATEUCH — This article is arranged according to the following outline: introduction definition outline contents and structure the primeval history the patriarchs the exodus Sinai/Horeb Covenant and Laws the journey Moses Farewell the authors doublets and… …
