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- Title
- The wards of the key to Helmont proved unfit for the lock, or, The principles of Mr. William Bacon examined and refuted and the honour and value of true chymistry asserted / by John Case ...
- Author
- Case, John, fl. 1680-1700.
- Publication info
- London : Printed for the author and are to be sold by John Smith, bookseller ...,
- 1682.