Complex sentence: In 1909, Choate's widow had the wing her husband had constructed moved to its present location--just a stone's throw away from its former location using horses, and at an inch at a time it took about six months to move.
Split into simpler sentences: In 1909, Choate's widow had the wing her husband had constructed moved to its present location. It was moved just a stone's throw away from its former location using horses, and an inch at a time it took about 6 months to move.