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BASKETS Rees

 

of metal not more than five-eighths of an inch in diameter; the
cord shall be not less than 30-thread nor more than 60-thread seine
twine, and shall be so constructed as to check the ball momentarily
as it passes through the basket.

*NOTE—This section does not preclude the use of other types
of baskets which have been submitted to and been approved by the
national committee.

SECTION 2. The ring shall be rigidly attached to the backboard;

it shall lie in a horizontal plane 10 feet above the
floor and shall be equidistant from the two vertical edges of the
‘backboard. The nearest point of the inside edge of the ring shall
be 6 inches from the face of the backboard.

RULE 4—Ball 2/ Ge Se

*SECTION 1. The ball shall be spherical and made of an airtight

rubber case covered with leather. Its circumference
shall not be greater than 30 inches and not less than 29% inches
for adults, nor less than 29 inches for players below senior high
school age. Its weight shall be not less than 20 nor more than
22 ounces. It shall be inflated to an air pressure such that when it
is dropped to a solid wood floor from a height of six feet, measured
to the bottom of the ball, it will rebound to a height measured to
the top of the ball, of not less than 4 feet when it strikes on its least
resilient spot nor more than 4 feet 7 inches when it strikes on its
most resilient spot.

NOTE—To be legal, balls must be tested for resilience at the
factory and the air pressure which will give the required reaction
must be stamped on the ball. The pressure for game use must be
as stamped.

*SECTION 2. The home team shall provide a new ball or a good

used ball satisfactory to the Referee. If the ball is
new, neither team shall practice with it. If it is not a new ball,
the visiting team may use it in practice. If the ball provided by
the home team is not satisfactory to the Referee, he may order
the game to be played with the visiting team’s ball.