With a ten - foot drop in the nearby Charles River , it was an ideal location to establish the new factory they envisioned .
In September 1813 The Boston Associates purchased the Boies Paper Mill site in Waltham .
With a ten - foot drop in the nearby Charles River , Boston Associates was an ideal location to establish the new factory they envisioned .
In September 1813 The Boston Associates purchased the Boies Paper Mill site in Waltham .