New rifle musket ball caliber 58-inch. This final version of the Minie bullet resulted from experiments conducted by James H. Burton at the Harpers Ferry Armory during the early 1850s. Year: 1855. Image Credit: Smithsonian Neg. No. 91-10712; Harpers Ferry NHP Cat. No. 13645.

Harpers Ferry NHP Catalog No. burt-08. You may purchase duplicate copies of this image from the Harpers Ferry Historical Association. Please call 304-535-6881 for more information, or email the Harpers Ferry Historical Association.