Original sentence: At the behest of the Royal Society, he made useful observations on magnetic declination at Albany.Cavendish by Christa Jungnickel, Russell McCormmach
Edited sentence: At the behest of the Royal Society, he made useful observations on magnetic declination at Albany 1776-75.Cavendish by Christa Jungnickel, Russell McCormmach (The American Philosophical Society, Philadelphia, Pennsylvania 1996)