Chelmsford

Town (township), Middlesex county, northeastern Massachusetts, U.S. It lies 24 miles (39 km) north of Boston; the city of Lowell is adjacent to the northeast. Settled in 1633, it was named for Chelmsford, England, and incorporated in 1655. An iron foundry using local bog ore was built there in 1656. During the early 19th century, the production of lumber, textiles, and granite was important. Services,