Worms and Balé's Patent Act, 1891
An Act for rendering valid certain Letters Patent granted to Eugène Worms of Paris in the Republic of France and Jean Balé of the same place Engineers for Improved Process and Apparatus for Tanning by aid of Electricity. [28th July 1891.]

WHEREAS on the fourteenth day of December one thousand eight hundred and eighty-six Eugène Worms and Jean Balé both of Paris in the Republic of France made application for Letters Patent in the said Republic of France for an invention of a process of rapid ...