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 their usual names, but old-fashioned methods of producing them were set forth. Then it was stated that ij of No. 1, ij of No. 2, and ij of No. 3 were to be taken and mixed in the manner so familiar to us. In 1823 Mr. Savory brought an action against Messrs. Price & Son, of 4, Leadenhall Street, for alleged infringement of his patent, which, however, the Court held to be invalid in consequence of the elaborate directions in the specification for the production of the several ingredients, all of which were chemicals sold in all chemists' shops. At the same trial it seems to have been admitted that the combination was both new and useful. There is no record of any objection to the title.

In 1778 Bergmann published a treatise on artificial mineral waters, giving analyses of the most popular, and recommending the use of the factitious waters as preferable to the natural ones. About the same time a French pharmacien, named Vanel, introduced a powder with which to make the favourite Eau de Seltz, or Selters water. Apparently the salts for making mineral waters acquired a certain degree of popularity, and it is likely that Seidlitz salt was among them. Nothing would make this palatable, and Mr. Savory's idea of substituting a pleasant draught for a nauseous one was at least a commercial success.

Daniel Turner, M.D., the inventor of Turner's Cerate, which appeared in several Pharmacopœias as Ceratum Calaminæ, was at first a surgeon in London, but was admitted a Licentiate of the College of Physicians in 1711, and practised in Devonshire Square, Bishopsgate. In William Munk's Roll of the Royal College of