George Farrer Rodwell, Dictionary of National Biography… (1885)
“ His intellect was very versatile. It widely embraced both languages and science. As an inventor he possessed many resources. He was a very sociable man, was extremely amiable, and always full of philanthropic aims and objects. There is a crayon drawing of Arnott by Mrs. W. Carpenter in the Royal Society, and a portrait by Partridge in Marischal College, Aberdeen. [Obituary notice of Dr. Neil Arnott, in the Proceedings of the Royal Society, vol. xxv. 1877; Bain's Biographical Memoir of Dr. Neil Arnott, read before the Aberdeen Philosophical Society, 1881.] ”
