This an annotated listing of over 500 men who served as skilled tradesmen at the U S Armory at Harpers Ferry, Virginia, from the beginning though the destruction and abandonment in 1861. There were a number of significant figures who served as superintendents and as master armorers. Many tradesmen are shown along with their products and functions at both the main Armory and also at the rifle manufactory run by John H Hall.