Federal

Spherical

 

DIAMETER:  6.84-inches
GUN:  42-pounder smoothbore, 7-inch Caliber
LENGTH:  -
WEIGHT:  About 43 pounds
CONSTRUCTION:   Shot
SABOT: Wooden Cup - Missing
FUZING:  None

Most of the 42-pounders were apparently rifled, the use of spherical projectiles in this caliber was limited.