A Sermon Occasioned by the Death of Mr. Joseph Longhurst, Gardener, who Departed this Life June 12th, 1769, in the Sixty-ninth Year of His Age : Preached at Lower-Tooting in Surry, June 18, 1769 : Together with the Funeral Oration, Delivered at His Interment at Chertsey, June 16, 1769