The ball when new
shall be oval in shape, of four panels and of the
following dimensions:
Length in line.........280 to 300 mm
Circumference (end on).760 to 790 mm
Circumference (in width).580 to 620 mm
Weight..................400 to 440 gms
Note:- (i)
The ball, at
commencement of play, should have a pressure
equivalent to 9 1/2 - 10 lbs. per square inch
(0.6697-0.7031 kilograms per square centimetre)
at sea level.
(2)
The dimensions of
the ball may be reduced only for younger schoolboys.
(3)
Balls may be specially
treated to make them resistant to mud and easier
to grip. The casing need not be of leather.