Girandoni air rifle as used by Lewis and Clark. A National Firearms Museum Treasure Gun.
Lewis and Clark's secret weapon - a late 18th Century .46 cal. 20 shot repeating air rifle by Girandoni , as used bin the Napoleonic Wars. A Treasure Gun from the NRA National Firearms Museum.
http://www.youtube.com/watch?v=-pqFyKh-rUI
