This stone weighed two pounds, three ounces, and six drams.
In the Hunterian Museum in London there is a stone weighing 44 ounces, and measuring 16 inches in circumference.

By suprapubic operation Duguise removed a stone weighing 31 ounces from a patient who survived six days.

A Belgian surgeon by the name of Uytterhoeven, by the suprapubic method extracted a concretion weighing two pounds and measuring 6 1/2 inches long and four wide.

Frere Come performed a high operation on a patient who died the next day after the removal of a 24-ounce calculus.

Verduc mentions a calculus weighing three pounds three ounces.