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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.

Case, John, active 1680-1700.

About this work


London : Printed for the author and are to be sold by John Smith, bookseller ..., 1682.

Physical description

4 unnumbered pages, 24 pages : illustrations


Imperfect: print show-through.
Reproduction of original in the Bodleian Library.

Publications note

Wing C821

Reproduction note

Electronic reproduction. Ann Arbor, Mich. : UMI, 1999- (Early English books online) Digital version of: (Early English books, 1641-1700 ; 1611:15) s1999 miun s



  • English

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