Document N2JDjk4kwg5vrdVBbKkda04LE
9.12 : , 1948 Cm'dg
CIRCUMFERENCES AND AREAS OF CIRCLES
Diameter
IN Inches
Area
Sq In.
Sq Ft
. Circumference
Inches
Feet
1 Diameter 1 Inches
Arsa.^
Sq In.
Sq Ft
' Circumference Inches . Feet-
H X X
1
1M
IX
2
2X 2X 2H
3 3H 3H 3X 4
*x
5 SX SX M 6 6X 6X 6K 7 w 2X 2H 8 8X 8H 8K 9 9H 9X 9X lo
I0>i
11
ju2 x
nx 13 UH 14 HX 15 15H 16 16^ 17
nx 18
18J4 19 I9X 20 20X 21 21X 22 22X 23
23H 24 24X 25
25X 26 26X 27 27H
0.049 0.0003
0.785
0.196 0.0014
1-571
' 0.442 0.0031 . 2.356
0:785 0.0054 . 3.142
-
1.227 0.0085
. 3.927
' 1.767 0.0123
4.712
2.405 0.0167
5.498
3.142 0.0218
6.283
3.976 0.0276
7.069
4.909 0.0341 ' 7.854
. 5.939 0.0412
8.639.
7.069 0.0491
9.425
8.296 : 0.0576 10:21
. 9.621 0.0668
10;99
11.04
0.0767
11.78
12.57
0.0873
1257
- 14.19
0.0986 .1355
. 15.90
0.1104
14.14
17.72 . 0.1231
14.92
: 19.64
0.1364
15.71
21.65
0.1504
16.49
23.76
0.1650 .17.28
25.97
0.1840 ` .28-06
28.27 0.1964
1855
. 30.68
0.2131
19.64
33.18
0.2304
20.42
35.79
0.2486
21.21
38.49 . 0.2673 ' 21.99
. 41.28 44.18
0.2867 0.3068
22.78 23.56
47.17
0.3276
2455 ,,
50.27
05491 ...25.13
. 53.46
05713 .. 25.92
56.75
0.3942 .'26.70
60.13
0.4175
27.49
63.62
0.4418
28.27
,67.20
0.4668
2956
70.88
0.4923 . 2955
74.66 78.54
0.5185
30.63
0.5454 ` 31.42
86.59
0.6010
32.99 ;
95.03
05600
3456 :
. 103.9
0.7215
36.13 -
113.1
0.7854
37.70
122.7
.05520
39.27
132.7 -. 143.1
: 0.9218 0.9937
4054 42.41
' 153.9
1.069
43.98
165.1
1.146 ' 45.55
. 176.7
1.227
47.12
188.7
U10
48.69
201.1
1.396
50.27
213.8
1.485
.5154
226.9
1.576 . 53.41
240.5
1.670
54.98
2545
1.767
56.55
268.8
1567
58.12
' 283.5
1.969
59.69
298.6 .-2.074 . 61.26
,, 314.2 . . .2.182
6253
330.1 . 2.293
64.40
346.4 2.405
65.97'
361.1
.2508
6754
380.1
. 2.640
69.12 .
397.6
. 2.761
70.69
415.5
'2.885
72.26
433.7 3.012
7353
452.4
3.142
75.40
'471.4
3.274
76.97
490.9
3.409
78.54
510.7
3.547
80.11
530.9 ..3.687
81.68 .
551.6
3.832
83.25
572.6
3.976
84.82
. 593.9
4.125
86.39
0.0652
28
0.1309 0.1964
' 28M 29'
0.2618 0.3273
. 29X
30
05927
31
0.4582
32
0.5236 05891
, 33 34
0.6546
35
0.7200
, 36
0.7854
37
0.8510
38
0.9160
39
0.9818
40
1.047
, 41'
1.113
42
1.178
43.
1.243 ".-"44
1.309 . ' 45'
-1574 .
46
1.440
47 .
1505
48
1571
49
1.637
50.
1.702 - 51
1.768
52 .
.1.833
' 53
1599
: 54
1.964
55
2.029
' 56
2494
57
2.160
58
2.225 2.291
5? .- .60 .
2556 - , 61.
2.422
62'
2.488
63 ;
2.553
64
2.618
65 '
.2.750 : .66 .
12580 -
67
3.011 ,
68
3.142
69
3.273
70
3.403
71
3535
72 '
3.665
' ' 73 '
3.796
74
3.927
.75
4.058
76'
4.189 '
77
4.321
78
4.451
79
4582
80
4.712"
81
-4545
82
4.974
83
5.105
84
.5.236' " 85
'5567 - 86-
5.498
87
.5.629 . . .88
5.760
.89
5591
.90
6.021
. 91
6.153
92 .
6.283
. 93
6.415 -.
94
6.545 I 95
6.676
.96
6507
97
6.938
98 .
7.069
'99,
7.199
100
615.8
4.276
637.9
4.430
660.52
4-587
683.5
4.747
7065
4.909
7545
5.241
8045
558S
.855.3
5.940
907.9
6-305
962.1
6.681
1018.0
7.069
1075.0
7.467
1134.0
7576
1195.0
8.296
1256.0
8.727
1320.0
9.168
1385.0
9.621
1452.0
10.08
1521.0
10.56
IS90.0
11.04
1662.0
11.54
1735.0
1255
1810.0
12.S1
1886.0
13.09
1963.0
13.64
2043.0
14.19
2124.0
14.75
2206.0
15.32
2290.0
15.90
2376.0
1650
2463.0
17.10
2552.0
17.72
2642.0 1855
27345
18.99
2827.0
19.63
2922.0
20.29
3019.0
20.97
3117.0
21.65
3217.0
22.34
3318.0
23.04
\3421.0,. 23.76
.^526.0
24.48
3632.0
25.22
. 3739,0
25.97
38485
26.73
39S9.0
27.49
40725
28.27
41855 : 29.07
4301.0
^9.87
4418.0
30.68
45365
31.50
4657.0
3254
47785
33.18
49025
34.04
5027.0
34.91
51535
35.78
52815
36.67 i
5411.0
37.57
5542.0
38.48
56755 .39.41
S809.0
40.34
594S.0
41.28
60825. . 42.24
6221.0
43.20
6362.0- 44.18
6504.0
45.17
66485
46.16
. 6793.0. 47.17
69405
48.19
7088.0- 49.22
7238.0
50.27
7390.0
51-32
7543.0
52.38
76985 - 53.46
7854.0
54.54
87.97' 1 ' 75i6
89.54 1 7.462
91.11
7592 .
. 92.63
7.725"
94:25 7554
97-39
8.116
1005
8578
103.7
8.639 .
1065
8.90H \
109.9 !l
9.163-..
113.1
9.425
116.2
9.686
119.4
9.948
122.5
10.21 r.
125.6
10.47 '
1285
10.73
131.9
10.99
135.1
11,26 \
138.2
1152
141.4
11.78
1445 - 12.04
147.7
1250
1505
1257
153.9
1253 'J
. 157.1
13.09
160.2
1355
163.4
1351
1665
1358
169.6
14.14
1725
-14.40.
175.9
14.66'
179.1
14.92 .-
182.2 . is.18
185.4 - 15.45
1885
15.71 "
191.6
' 15.97 .
1945
16.23 -{ ..
19719'1 ' '16.49
201.1
16.76
" 204.2
17.02
207.3 . 17.28
2105
.1754
213.6
17.80
'2165
18.06
219.9 . . 1853 .
223.1:.. 1859 V,
226.2
? 1855
229.3 . 19.11
2325
19.37
235.6
; 1953 .7-.
2385
19.90 ;
241.9.<. 20.16
245.0 . 20.42
248.2
20.68.
251.3 "
20.94
2545'
21.21 '
257.6
21.47
2605
21.73
263.9
21.99
267.0
22.25
270.2
2251
2735
22.78
2765
23.04
279.6
2350 <
282.7
. 2356
285.9... 2352
289.0 . - 24.09 . '
292.2
2455 .
2955
24.61
298.4
2457 .'
301.6
25.13 :
304.7
2559
307.9 . 25.66
311.0
.25.92
314.2
26.18
CATALOG D AT A S ECTI ON
INDEX TO ADVERTISERS
PAGE; 915
INDEX TO MODERN EQUIPMENT
PAGE 921