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.
Playing the Game. 1  1. Set up the chess board. 2  2. Start the game. 3  3. Capture an opponent's piece by moving a piece into an occupied square.  4. Continue play with each player moving one piece per turn until the game 1  ends. 5. End the game with a checkmate.