Hand (unit) radix numbering system, where a hand is four inches. The hand, sometimes also called a handbreadth or handsbreadth, is an anthropic unit, originally based on the breadth of a male human hand, either with or without the thumb, or on the height of a clenched fist. On surviving Ancient Egyptian cubit-rods, the royal cubit is divided into seven palms of four digits or fingers each. Five digits are equal to a hand, with thumb; and six to a closed fist. The royal cubit measured approximately 525 mm, so the length of the ancient Egyptian hand was about 94 mm. In
Planning the Play of a Bridge Hand counting. The book won the ABTA (American Bridge Teachers Association) Book of the Year award for 2010. Planning the Play of a Bridge Hand Planning the Play of a Bridge Hand is a book on contract bridge co-written by Canadian teacher and author Barbara Seagram and British author David Bird. It was published by Master Point Press in 2009. The book teaches novice bridge players some basic techniques of declarer play, including suit establishment, ruffing losers, and the finesse. It also explains how to make a plan as declarer, teaching readers how to recognize which technique should apply on a