Sentence:  A patent obtained in England, and specified far from clearly, for obtaining <WSD>ozone</WSD> by boiling seaweed,†† may be mentioned as a curiosity, and also the credulity with which <WSD>ozone</WSD>-baths, prepared in this manner, find a ready sale, in spite of, or perhaps rather on account of, their high price. 
Meaning of the word marked with <WSD> tags:  Fresh air, especially that breathed at the seaside and smelling of seaweed.