An essay on wines, [electronic resource] : especially on port wine; Intended to instruct every Person to distinguish that which is pure, And to guard Against the Frauds of Adulteration. Also to indicate When and how it may be useful or injurious in Health or Disease. By John Wright, M. D. The Wine this Author continues to deal in, will maintain this Motto, Vinum Hoc Sincerum, Odoratum, Sapidum, Stomacho Gratum, Nec Ventriculo Infestum, Nec Caput Feriens.