Laconia, NH – The Belknap Mill, the oldest unaltered brick textile mill in the United States, is proud to announce the opening of its newest permanent exhibit, “Threads of Innovation,” debuting to the public on Friday, June 6, 2025. This thoughtfully curated exhibit explores the Belknap Mill’s pivotal role as a leader in early industrial efficiency and innovation. At its center is the c. 1890s freight elevator, a key technological advancement that allowed seamless movement of materials between floors. This…