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The 1990 centennial also saw the installation of the "H. P. Lovecraft Memorial Plaque" in a garden adjoining John Hay Library, that features a portrait by silhouettist E. J. Perry. [238] Following this, in 1996, S. T. Joshi wrote his own biography of Lovecraft. This biography was met with positive reviews and became the main biography in the field.
The mask must form a watertight seal around the edges to keep water out, regardless of the attitude of the diver in the water. This seal is between the elastomer skirt of the mask and the skin of the face. The fit of a mask affects the seal and comfort and must account for the variability of face shapes and sizes.
Arctic BE1200A+ is a front-loading budget model sold in 2008 with 6-kilogram (13 lb) load, LCD indicator, operating up to 1200 RPM. Modern drum of front-loading washing machine (Bosch Maxx WFO 2440) The front-loading or horizontal-axis clothes washer is the dominant design in Europe and in most parts of the world.
Elevator design by the German engineer Konrad Kyeser (1405). The earliest known reference to an elevator is in the works of the Roman architect Vitruvius, who reported that Archimedes (c. 287 BC – c. 212 BC) built his first elevator probably in 236 BC. [2]
A ball bearing. A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts.
French–Vietnamese relations started during the early 17th century with the arrival of the Jesuit missionary Alexandre de Rhodes.Around this time, Vietnam had only just begun its "Southward"—"Nam Tiến", the occupation of the Mekong Delta, a territory being part of the Khmer Empire and to a lesser extent, the kingdom of Champa which they had defeated in 1471.
Seal of Henry I, an important benefactor of St Peter's. Samson was elected Bishop of Worcester on 8 June 1096. [37] He may have been previously in only minor orders, as he had to be ordained a priest the day before his consecration. He became notorious, despite his vow of clerical celibacy, as the father of at least three children, two of whom ...