Title page continues: "By Daniel West, From the Use of His New Method of Employing Lines and Circles in Motion. The Desired Object of Geometricians Before Euclid, Who Lived Three Centuries Earlier Than the Christian Era. Loyally Offered to the Queen, and for the Consideration of Her Majesty's Ministers, Both Houses of Parliament, All Governments, and Every Lover of Mathematical Truth Throughout the World." West's letter explains the purpose of his formula, determining the amount of liquor, including beer, in a cask for the purposes of excise tax. Messrs Combe operated a brewery.