Armstrong, John, a Scotch doctor and poet, born in Roxburghshire, practised medicine in London; friend of poet Thomson, as well as of Wilkes and Smollett, and author of “The Art of Preserving Health” (1709‒1779).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Armor`ica * Armstrong, William George, Lord