Associated Factory Mutual Fire Insurance Companies. Berkshire Woolen Co., Pittsfield, Mass. Boston, Mass.: Associated Factory Mutual Fire Insurance Companies, 1921. Surveyed June 4, 1921. Surveyed by E. Brown. 1 sheet. Includes plan of buildings (with dimensions), elevation views of individual buildings (with functions of building floors and rooms), isometric view of buildings, and surroundings. Also includes description of property, power and fuel, stock and product, and existing water sources and fire protection resources. Serial number 14473, replaces 9978 (original tracing). Index number 10048. Scale 1:480, 1 in. = 40 ft. 53 x 65.5 cm. (OCLC)