FOR DETERMINING THE MEAN DENSITY OF THE EARTH. 
349 
Pendulum 1821. Eighth Series. 
No. of 
Number of 
Coincidences. 
Number of 
Mean 
Arc of Vibration. 
Mean of 
Thermo- 
Mean of 
Barometer 
Corrected 
Log. Rate of 
Swing. 
Intervals. 
Interval. 
meter 
Pendulum 1821 
Readings. 
Beginning. 
End. 
Beginning. 
End. 
Readings. 
upon Shelton. 
113 
3 
3 
44 
s 
28M2 
1-85 
0-57 
43-05 
in. 
29-745 
9-99693913 
114 
3 
3 
46 
280-83 
1-76 
0-53 
43-80 
29-800 
3731 
115 
3 
3 
45 
280-93 
1-95 
0-55 
43-80 
29-880 
3891 
116 
3 
3 
36 
281-16 
1-75 
0-60 
42-26 
29-975 
3824 
117 
3 
3 
50 
281-15 
1-84 
0-48 
41-98 
30-075 
3759 
118 
3 
4 
36 
281-09 
2-08 
0-80 
41-68 
30-190 
3780 
119 
3 
3 
31 
281-31 
1-83 
0-76 
41-46 
30-265 
3928 
120 
3 
3 
46 
281-36 
2-20 
0-60 
40-88 
30-330 
3902 
121 
3 
3 
54 
281-46 
2-14 
0-55 
40-44 
30-380 
3906 
122 
3 
3 
40 
281-65 
1-85 
0-67 
40-54 
30-420 
4123 
Pendulum 8. Fifth Series. 
No. of 
Number of 
Coincidences. 
Number 
Mean 
Arc of Vibration. 
Mean of 
Thermo- 
Mean of 
Barometer 
Corrected 
Log. Rate of ! 
Swing. 
of 
Interval. 
meter 
Pendulum 8 uponi 
Intervals. 
Readings. 
Beginning. 
End. 
Beginning. 
End. 
Readings. 
Earnshaw. 
83 
3 
3 
29 
27^91 
1-70 
0-75 
47-80 
in. 
29-775 
9-99691320 
84 
3 
3 
46 
277-88 
1-96 
0-56 
47-81 
29-750 
1281 
85 
3 
3 
43 
277-91 
1-94 
0-59 
47-80 
29-705 
1310 
86 
3 
3 
44 
277-91 
2-01 
0-60 
47-68 
29-645 
1289 
87 
3 
3 
31 
277-83 
2-11 
0-90 
47-41 
29-605 
1246 
88 
3 
3 
37 
277-91 
1-96 
0-72 
47-28 
29-585 
1216 
89 
3 
3 
40 
277-91 
1-86 
0-60 
48-08 
29-525 
1319 i 
90 
3 
3 
44 
277-86 
2-04 
0-62 
48-18 
29-460 
1314 ! 
91 
3 
3 
43 
277-88 
2-14 
0-67 
48-05 
29-435 
1337 : 
92 
3 
3 
33 
277-97 
1-79 
0-72 
47-96 
29-430 
1368 ; 
Pendulum 8. 
Sixth 
Series. 
93 
3 
3 
37 
269-56 
2-21 
0-71 
89-69 
29-570 
9-99690259 
94 
3 
3 
48 
270-15 
1-97 
0-58 
88-80 
29-545 
0699 
95 
3 
3 
41 
270-38 
2-21 
0-74 
84-45 
29-535 
0168 
96 
3 
3 
38 , 
270-39 
1-99 
0-72 
86-71 
29-515 
0591 
97 
3 
3 
47 
269-77 
2-06 
0-60 
91-09 
29-465 
0722 
98 
3 
3 
32 
270-43 
2-17 
0-89 
90-00 
29-430 
1394 
99 
3 
3 
36 
270-82 
1-90 
0-71 
86-78 
29-400 
1079 ; 
100 
3 
3 
47 
270-39 
2-05 
0-61 
90-14 
29-370 
1255 
101 
3 
3 
45 
270-08 
2-14 
0-68 
89-19 
29-355 
0721 1 
102 
3 
3 
39 
271-21 
2-03 
0-76 
85-26 
29-310 
1253 : 
Pendulum 8. 
Seventh Series.' 
103 
3 
3 
26 
278-20 
1-94 
0-68 
52-24 
28-970 
9-99692447 
104 
3 
3 
47 
277-73 
1-99 
0-58 
52-45 
28-985 
1945 
105 
3 
3 
48 
277-71 
2-18 
0-67 
51-91 
29-010 
1876 
106 
3 
3 
33 
277-76 
2-15 
0-89 
51-03 
29-025 
1818 
107 
3 
3 
41 
277-94 
1-93 
0-69 
50-79 
29-050 
1870 
108 
3 
3 
37 
277-91 
2-23 
0-86 
50-06 
29-070 
1803 
109 
3 
3 
40 
278-25 
1-93 
0-73 
48-83 
29-085 
1832 
110 
3 
3 
48 
278-32 
2-32 
0-69 
48-61 
29-070 
1930 
111 
4 
3 
40 
278-36 
2-08 
0-76 
48-71 
29-080 
1967 
112 
3 
3 
36 
278-53 
1-94 
0-80 
48-23 
29-110 
2052 
\ 
