In the fourth edition of 1730, there were 31 Queries, and it was the famous "31st Query" that, over the next two hundred years, stimulated a great deal of speculation and development on theories of chemical affinity.
In der vierten Ausgabe von 1730 gab es 31 Fragen, und es war die berühmte 31. Frage, die in den darauffolgenden 200 Jahren viele Spekulationen und Theorien zur chemischen Affinität hervorrief.