The American Precision Museum is located in the renovated 1846 Robbins & Lawrence factory on South Main Street in Windsor, Vermont. The building is said to be the first U.S. factory at which precision interchangeable parts were made, giving birth to the precision machine tool industry. In recognition of this history, the building was declared a National Historic Landmark in 1966. In 1987, the building was recognized by the American Society of Mechanical Engineers as an International Heritage Site, For each of these designations, the armory was considered a site where pivotal events occurred in the history of American industry, as well as a place that lends itself to comprehensive interpretation of that history.