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51Archaeology of the Cross and Crucifix — Archæology of the Cross and Crucifix † Catholic Encyclopedia ► Archæology of the Cross and Crucifix I. PRIMITIVE CRUCIFORM SIGNS The sign of the cross, represented in its simplest form by a crossing of two lines at right angles,… …
52test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
53Ilya Kabakov — Ilya Kabakov, Russian Илья Иосифович Кабаков (September 30 1933) is an American conceptual artist of Russian Jewish origin, born in Dnipropetrovsk, Ukraine. He worked for thirty years in Moscow, from the 1950s until the late 1980s. He now lives… …
54List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
55Industrial Review — ▪ 1994 Introduction The period since 1990 was proving a difficult time for the older industrialized economies, which had suffered from prolonged recession at home, and also for the previously centrally planned economies of Eastern Europe… …
56Dental composite — Dental composites. Dental composite resins are types of synthetic resins which are used in dentistry as restorative material or adhesives. Synthetic resins evolved as restorative materials since they were insoluble, aesthetic, insensitive to… …
57Phosphate — Systematic name …
58Borax — For other uses, see Borax (disambiguation). Sodium borate redirects here. For sodium perborate, see Sodium perborate. Borax …
59Diesel generator — A Cummins diesel generator of 500kVA in a tourist resort in Egypt …
60Madrid — This article is about the capital of Spain. For the Community of Madrid, see Madrid (autonomous community). For other uses, see Madrid (disambiguation). Madrid Villa de Madrid …
