James Pattern II
Charles T. James patented this projectile on June 10, 1862, patent
#35,521, as an improvement on his Pattern I. The specimen above is a James Pattern
II projectile based on the date of the patent. In the field, the bursting cavity
proved to be too small, resulting in poor fragmentation upon detonation. A large
number of the James Pattern II projectiles have been recovered from the 1863 Siege of
Vicksburg, Mississippi. Go
here for additional
remarks and a complete specimen.