Both pistols are double action. In a double action revolver, squeezing the trigger pulls back the hammer both to cock the gun as well as serving to release the hammer. In contrast, a single action revolver requires the hammer to be pulled back by hand before each shot.
Description (physical):
Upper: Metal. L 21 cm; Lower: Metal. L 17.5, Dia (barrel) 3.18 cm
Location:
3201 Clay Street Vicksburg,Mississippi 39183
Identifier:
2010.0001.0012
Institution:
Vicksburg National Military Park