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.
Board Games played for thousands of years is board games-especially throughout the 20th century. History of Board Games from Early 1900s to the Present. Gaming had always been a form of family entertainment long before the invention of home computers and video game consoles. One type of game played for thousands of years is board games-especially throughout the 20th century.