Source: The Illustrated London News, August 21, 1844
Mr. Carstairs, of 81, Lombard-street, City, inventor of the celebrated system of writing.—Mr. Carstairs continues to give LESSONS to ladies and gentlemen of all ages, so that the worst writer, and even those who cannot write at all, may be enabled to obtain a superior style and command of the pen in the shortest possible time. Arithmetic and book-keeping taught on a very superior plan. Families attended at their own residences.