Horace Edwin Hayden,
A Refutation of the Charges Made against the Confederate States of America of Having Authorized the…
“ I have a box of these shells in my possession. They are open for examination by any persons who may desire to see them.This summer the distinguished officer who commanded the 143d regiment of Pennsylvania volunteers, United States army, at the battle of Gettysburg, informed me that during the last day of the battle, he and his men frequently heard, above their heads, amid the whistling of the minnie balls from the Confederate side, sharp, explosive sounds like the snapping of musket caps. ”

