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Im pretty sure you can only activate one artifact each turn. Therefore, you can only activate the bronze laver, then must activate the next one for your artifact pile next turn.
Is this rule book more recent than G/H?
The rules are clearly archaic and were written at a time when it wouldn't matter.
...not only is there not a rule against activating the same artifact you just deactivated, but that's what activating an artifact is.
So, if I activate Bronze Laver in a fortress, can I activate an artifact that I draw from its ability in my artifact pile? Or do you choose which artifacts you are going to activate before their abilities activate?