Complex sentence: A few weeks before the birth, Samuel persuaded his wife to contribute to the "Englishwoman's Domestic Magazine", his cheap magazine aimed at young middle class women; the publication was commercially successful and sold 50,000 issues a month by 1856.
Split into simpler sentences: A few weeks before the birth, Samuel persuaded his wife to contribute to the "Englishwoman's Domestic Magazine". The magazine was affordable, aimed at young middle class women and was commercially successful, selling 50,000 issues a month by 1856.