[1] Narrien was nominated in 1814 as one of the teaching staff of the Royal Military College, Sandhurst.
Promoted in 1820 to be mathematical professor in the senior department, he was long the effective head of the establishment.
[1] Narrine observed the partial solar eclipse of 6 May 1845, at the observatory of Sandhurst College.
The failure of his eyesight caused him to give up his post at Sandhurst in 1858, and he retired that year also from the Royal Astronomical Society.
[1] Narrien published in 1833 An Historical Account of the Origin and Progress of Astronomy.