Great Britain

Whitworth Pattern I, Sub-pattern I

 

DIAMETER:  1.69 inches across flats,
1.83 inches outer diameter
GUN:  3-pounder Whitworth, 1.7-inch caliber
LENGTH:  4.69 inches
WEIGHT:  2 pounds 8 ounces
CONSTRUCTION:  Solid shot
SABOT:  None
FUZING:  None

This is a example of an extremely rare caliber Whitworth Pattern I, Sub-pattern I, solid shot projectile. Whitworth's 3-pounder, 1.7 inch caliber gun, weighed 208 pounds. With a charge of 8 ounces of powder at an elevation of 35 degrees, it projects its shot with remarkable accuracy, to a distance of more than 5 1/2 miles. According to The Confederate Ordnance Manual, 1863 Edition, the form of the Whitworth projectile was described as a hexagonal prismoid.