Is a us revolver co 32 top break a black powder or a smokeless cartridge fire arm?

The U.S. Revolver Co. .32 top-break revolvers were typically designed to fire smokeless cartridges. These revolvers were produced in the late 19th and early 20th centuries, a time when smokeless powder had largely replaced black powder in firearms. However, it's essential to check the specific model and its production date, as some revolvers may have been designed for black powder cartridges.