Complex sentence: William Henry Mote was primarily an English stipple and line engraver on steel and he was primarily known for his portraits, although he did other etchings for reference books, and some original etchings.
Split into simpler sentences: William Henry Mote was primarily an English stipple and line engraver on steel and he was primarily known for his portraits. He also did other etchings for reference books, and some original etchings.