Lathe
The lathe is one of the oldest and most important machine tools. Wood lathes were in use in France as early as 1569. During the Industrial Revolution in England the machine was adapted for metal cutting. The rotating horizontal spindle
The lathe is one of the oldest and most important machine tools. Wood lathes were in use in France as early as 1569. During the Industrial Revolution in England the machine was adapted for metal cutting. The rotating horizontal spindle
There are numerous versions of Abu Muslim's background, but it seems most likely that he was descended from a slave of Persian origin and was therefore a mawali (non-Arab
Allende as president combined Marxist assault on the owners of the means of production with populist lavishing of short-term benefits on his working-class followers, and on both counts he stirred violent resentment among upper- and middle-class Chileans as well as attracting the adamant hostility of the United States. In September 1973 he was ousted in favour of General
Also spelled Aïn Salah, oasis town, central Algeria, on the southern edge of the arid Tademaït Plateau. At the crossing of ancient trans-Saharan caravan routes, it was once an important trade link between northern and central Africa but has declined in modern times owing to high transportation costs and the exodus of workers to the developing gas fields 60 miles (100 km) southwest. Mainly visited
The Christian Era is the era now in general use throughout the world. Its epoch, or commencement, is January 1, 754 AUC (ab urbe conditafrom the foundation of the city [of Rome]or anno urbis conditaein the year of the foundation of the city). Christ's birth was at first believed to have occurred on the December 25 immediately preceding. Years are reckoned as before or after the Nativity,
A more serious loss to 'Abbasid power in Arabia was occasioned by the appearance of Isma'ilite propaganda in Yemen about 880, in eastern Arabia about 899, and even briefly in Oman. From Yemen, Isma'ilis reached North Africa, where the Fatimid movement arose and conquered Egypt and for a time seriously threatened the 'Abbasids in Baghdad. The Qarmatians (Qaramitah), an extremist offshoot of
Company that performed commedia dell'arte (improvised popular Italian comedy) in the early 1600s. The name means the stimulated. Leadership was provided by Tristano Martinelli (famous for his portrayal of Arlecchino, the mischievous servant) and Pier Maria Cecchini (known as the leading interpreter of the character Fritellino, as well as the author of valuable texts
Composer who was prominent in the development of opera containing spoken as well as sung passages (opéra comique). The great contemporary success of his works was due in part to the expertly tailored librettos of Eugène Scribe and in part to Auber's spirited musical settings, which were influenced by Rossini and well suited to French taste. One