The alchemists sought to discover processes whereby one metal might be transmuted into another. 李贝.西洋科学史.
Aristotle speculated, and the alchemists of the middle ages busied themselves in magic and guess-work. 威廉·亨利·杜利特.世纪发明.
Closely associated with the alchemists were the astrologers, who were also a practical race. 赫伯特·乔治·威尔斯.世界史纲.
We live to-day largely in the age of alchemists, for all our sneers at their memory. 赫伯特·乔治·威尔斯.世界史纲.
To reverse the process of the transformation and produce radium from the base metal lead would be an achievement greater than the vaunted transmutations of the alchemists. 李贝.西洋科学史.
We know of the _athanor_ of the alchemists of the middle ages. 威廉·亨利·杜利特.世纪发明.