This act was partly in force in Great Britain at the end of 2010.

4. c. 4), which had made it a felony to create gold and silver by means of alchemy.

In doing so, the act brought to an end the monopolies of the Society of Mines Royal and the Company of Mineral and Battery Works which had enjoyed exclusive rights to extract metal from certain mines.

According to Isaac Newton, in a letter to John Locke, Robert Boyle 'procured the repeal of the Act of Parliament against Multipliers'.

He further claimed that Boyle must then have had in his hands a recipe for the production of gold by alchemical means.