View of new blower system at Puget Sound Plywood manufactured by the National Blower and Sheet Metal Co., Tacoma. National Blower and Sheet Metal was established in 1890. The company designed and built ventilation, dust collecting and blower systems as well as doing general sheet metal work. They were responsible for much for the sheet metal work on the new County-City Building.

National Blower & Sheet Metal Co. (Tacoma); Machinery industry--Tacoma--1960-1970;