THE RELATIVE FORCE OP GRAVITY AT KEW AND GREENWICH. 
549 
Colonel Heeschel’s Determinations at Greemvich Ohservat 07 'y, continued. 
Pendulum No 6 (1821). 
Face M. 
Face P. 
Means. 
Set. 
V. 
Set. 
V. 
172 
86054-82 
184 
86054-89 
173 
86055-04 
185 
86055-91 
174 
86054-91 
186 
86O55-7O 
175 
86054-81 
187 
86054-97 
776 
86054-54 
188 
86055-82 
Face M . 86054-87 
177 
86055-05 
189 
86055-41 
Face P . 86055-41 
178 
86055-17 
190 
86055-34 
179 
86O54-49 
191 
86055-28 
86055-14 
180 
86055-23 
192 
86055-74 
181 
86054-79 
193 
86055-38 
182 
86054-48 
194 
86055-24 
183 
86055-06 
195 
86055-24 
Pendulum No. II. 
Face M. 
Mean. 
Set. 
V. 
196 
86104-54 
197 
86105-40 
198 
86105-82 
199 
86104-80 
200 
86105-29 
201 
86105-23 
202 
86105-25 
203 
204 
86105-15 
86105-17 
Face M . 86105-55 
205 
86105-80 
206 
86106-16 
207 
86105-24 
208 
86106-04 
209 
86105-69 
210 
86106-40 
211 
86106-87 
Colonel Herschel’s observations give the following values of the differences 
between the vibration-numbers at Kew and Greenwich. 
Kew—Greenwich = + 1'97 by Pendulum No. 4. 
= + 1-39 „ No. 6 (1821), 
— — 4-98 ,, No. II 
