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1931

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121
The following figures show the varying dimensions which will
produce four laps to the mile; of these, number *2 is the " Ideal
Track ":—
Length of Radius of
Parallels. Width Apart. Semi-Circle.
Yards. ft. ins. ft. ins.
1. SO 265 2 132 7
*2. 90 246 1 ... 123 0j
3. 100 227 0 ... 113 6
4. 110 207 11 103 11-1
5. 120 18S 10 94 5
6. 130 169 9 84 101
7. 140 150 S 75 4
8. 75 ... Base line 137
51
225 0
2.—MARKING OUT AN ATHLETIC GROUND.
90vds. -
Fmishing Post
Finish of'. 100
1
i Start for 100
<
NKN
I
Putting
the weight
High &Pole
Jump
Pits
Tnrowmg the
1
111
1Javelin
ds
Long Jump (From either8nd)
i l l l l l l l I
N
I
I&
7i-
_
I
120 Hurdles
Throwing the
Hammer 6
Discus
Byds.

1
ti�