Arthur Conan Doyle Quote
A formidable array of bottles and test-tubes, with the pungent cleanly smell of hydrochloric acid, told me that he had spent his day in the chemical work which was so dear to him. "Well, have you solved it?" I asked as I entered. "Yes. It was the bisulphate of baryta."
In: William S. Baring-Gould (ed.), The Annotated Sherlock Holmes (Volume 1)