Round ball:
Gauge20, ball size .600, patched yes, Patch material/thickness: cotton .015 Wads Yes Wad material card stock, Powder granulation 3f, Powder Charge weight 75, velocity unknown
Shot:
Gauge 20, Shot size 4,6,or 7.5, shot weight 7/8 oz., wad composition fiber (but on top of shot)...