Although Grattan had a profound contempt for Emmet's political understanding, describing him as a quack in politics who set up his own crude notions as settled rules, Emmet was among the more prudent of the United Irishmen on the eve of the rebellion.
The latter process, which was known to Basil Valentine, was commercially applied by the quack doctor, Joshua Ward (1685-1761), of Twickenham, England, to the manufacture of the acid, which was known as "oil of vitriol made by the bell" or per campanum.
ALEXANDRE AUGUSTE LEDRU-ROLLIN (1807-1874), French politician, was the grandson of Nicolas Philippe Ledru, the celebrated quack doctor known as "Comus" under Louis XIV., and was born in a house that was once Scarron's, at Fontenay-aux-Roses (Seine), on the 2nd of February 1807.
His graceful and captivating style was imitated by IIakIm Khabbaz of Nishkptfr, a great baker, poet and quack; Aba Shuaib ~klili of HerSt, who left a spirited little song in honor of a young Christian maiden; Raunaqi of Bokhgra; Abtil-Fat,l7 of Bust, who was also a good Arabic poet; the amIr Aba l-Ilasan All AlagatchI, who handled the pen as skilfully as the sword; Umara of Merv, a famous astronomer; and Kisf, a native of the sametown, a man of stern and ascetic manners, who sang in melodious rhythm the praise of Al!
An aqueous solution of ferric chloride is used in pharmacy under the name Liquor ferri perchloridi; and an alcoholic solution constitutes the quack medicine known as " Lamotte's golden drops."
==Therapeutics== Externally arsenious acid has been much used by quack doctors to destroy morbid growths, &c., a paste or solution being applied, strong enough to kill the mass of tissue and make it slough out quickly.
An old quack doctor named Levett, who had a wide practice, but among the very poorest class, poured out Johnson's tea in the morning and completed this strange menagerie.
In after years he so far forgot himself as to write of Saint-Simon as a depraved quack, and to deplore his connexion with him as purely mischievous.