1957-58

BASKET BALL
255
N
oTE.
—The following variations in the dimensions are admitted :
Plus or minus 6 ft. on the length and plus or minus 3 ft. on the width,
these variations being proportional to each other. Grass covered courts
are not admitted.
2. Boundary Lines
Section
2.
The Playing Court shall be marked by well-defined
lines, which shall be
2
ins. in width and which shall be at every
point at least
3
ft. from any obstruction. The lines on the long
sides of the court shall be termed the Side Lines, those on the
short sides, the End Lines. The distance between these lines
and the spectators should be at least
6
ft.
3. Centre Circles
Section 3. The Centre Circle shall have a radius of
2
ft. and it
shall be marked in the centre of the court. A diameter parallel to
the end lines shall be drawn in this circle. The line shall be
2
ins.
wide. A second circle concentric with the centre circle shall be
drawn with a radius of 6 ft. and marked with a line
2
ins. wide. The
radius shall be measured to the outer edge of the line used in
marking it.
4. Division Line
Section 4. A Division Line dividing the court into two parts
shall be formed by extending the centre circle diameter in both
directions until it intersects the side lines.
5. Free Throw Lanes
Section 5. The Free Throw Lanes shall be spaces marked in the
court by lines perpendicular to the end lines at distance of 6 feet on
either side from the middle points of the end lines. These perpendic-
ular lines shall be terminated and the lanes further marked by arcs of
circles having a radius of
6
feet and centres at the middle points of
the free throw lines. The other half of this circle lying on the free
throw lane between the parallel lines, shall be a broken line. Spaces
along the free throw lanes shall be marked as indicated on court
diagram with alternate capital letters A and B on places next to the
Baskets. For use of spaces see paragraph
72.
6. Free Throw Lines
Section
6.
A Free Throw Line shall be drawn across each of the
circles described in Section 5. It shall be
2
ins. in width, and extend
parallel to, and have its outer edge
19
ft. from, the inner edge of
the end- line.
N
OTE.
—All
of
these lines must be drawn so as to be perfectly visible.
7.
Backboards—Size and Material
Section 7. Backboards must be provided, the dimensions of
which shall be
6
feet horizontally and 4 feet vertically. These back-
boards shall be made of hard wood or suitable transparent material,
ij inches thick and shall present a smooth surface. The faces of
the backboards shall be painted white (in the case of hard wood
backboards only) with markings as follows. A rectangle shall be