|Title||Letter from J F W Herschel, Collingwood, to Sir Edward Sabine|
|Date||3 October 1870|
|Description||On returning to Burlington House the papers relative to Colonel Napier's Pendulum Observations, in connection with the Trigonometrical Survey of India.|
Herschel comments that the observatrions are "...a most valuable contribution to the data accummulating for discussion on the figure and interior constitution of the Earth as concluded from the indications afforded to the varying intensity of gravitation".
Fellows associated with this archive
|NA8279||Sabine; Sir; Edward (1788 - 1883)||1788 - 1883|
|NA8238||Herschel; Sir; John Frederick William (1792 - 1871); astronomer||1792 - 1871|