Horrocks, Jeremiah, a celebrated astronomer, born at Toxteth, near Liverpool; passed through Cambridge, took orders, and received the curacy of Hoole, Lancashire; was devoted to astronomy, and was the first to observe the transit of Venus, of which he gave an account in his treatise “Venus in Sole Visa” (1619‒1641).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Hornbook * Horse-power