in the length of the pendulum vibrating seconds . 423 
Diminution of gra- 
vity from the Pole 
to the Equator. 
Compression. 
Unst and Portsoy 
,0053639 
I 
3 ° 4. 3 
Leith Fort 
,0054840 
1 
315,8 
Clifton 
,0056340 
1 
33 1 >5 
Arbury Hill 
,0054282 
1 
310,3 
London 
,0055510 
1 
322,7 
Dunnose 
,0055262 
1 
320,1 
Portsoy and Leith Fort 
,0056920 
1 
33 8 ,o 
Clifton 
,0058194 
1 
353,2 
Arbury Hill 
,0054620 
I 
3 * 3>7 
London 
,0056382 
1 
332,0 
Dunnose 
,0055920 
I 
326,9 
Leith Fort and Clifton 
,0059033 
1 
3 6 4 ,o 
Arbury Hill 
,0053615 
1 
304,1 
London 
,0056186 
1 
329,8 
Dunnose 
MD 
O 
O 
I 
323,7 
Clifton and Arbury Hill 
,0042956 
1 
229,6 
London 
,0052590 
1 
2 94,9 
Dunnose 
,0052616 
I 
295,1 
Arbury Hill and London 
,0069767 
I 
59 M 
Dunnose 
r 
,0060212 
1 
380,3 
London and Dunnose 
,0052837 
i 
297,0 
From the experiments given in the former part of this 
