The pressure is estimated by means of a mercury or an aneroid manometer. A stethoscope is normally used in conjunction with the instrument to listen to the blood pressure sounds (a stethoscope is not needed with an electronic sphygmomanometer).
ObjectID: 171. Description Edit | History. Chess is a two-player, abstract strategy board game that represents medieval warfare on an 8x8 board with alternating light and dark squares. Opposing pieces, traditionally designated White and Black, are initially lined up on either side.
A chess piece, or chessman, is any of the 32 movable objects deployed on a chessboard used to play the game of chess. In a standard game of chess, each of the two players begins a game with the following 16 pieces: 1 king. 1 queen.