If you're hoping to find a full day of museum fun at the Belknap Mill, you'll probably be disappointed.
But what you'll enjoy is an amazing glimpse into America's past. The historic mill ("New Hampshire's Meeting House") was built to copy a nearby Massachusetts mill that is generally credited with 'starting' the Industrial Revolution... this is now the oldest unaltered mill building in America and a treasure. The structure itself is striking and the exhibits are great, but you'll get more out of learning and seeing how different mill life was in those days - the autocratic boss, the meager wages of workers, the children who worked at jobs like "turning" the knitted socks inside out, and the dangerous work of climbing inside the massive machinery to fix problems (they were the only ones small enough to do it).
The mill also holds regular shows, exhibits, etc. A wonderful place to spend a few hours - and you're right next to the Winnipesaukee River that once housed the mill.
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