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Num. 14.

PHILOSOPHICAL

TRANSACTIONS.


Munday, July 2. 1666.


The Contents.

An Account of a New kind of Baroscope, which may be call'd Statical; and of some Advantages and Conveniencies it hath above the Mercurial; communicated by Mr. Boyle.The Particular Observations of the planet Mars, formerly intimated to have been made by Mr. Hook in February and March last.Some Observations, made in Italy, confirming the former; and withall fixing the Period of the said Planet's Revolution.Observations, lately made at London, of the Planet Jupiter: as also of Saturn. A Relation of a sad Effect of Thunder and Lightning.An Account of some Books, lately publish't; videl. The Relations of divers Curious Voyages, by Mons. Thevenot:A Discourse about the Cause of the Inundation of the Nile, by Mons. de la Chambre; both French:De Principiis & Ratiocinatione Geometrarum, Contra Fastum Professorum Geometriæ, by Mr. Hobbes:King Salomons Pourtraiture of Old Age, by J. Smith, M.D.

An Account

of a New kind of Baroscope, which may be call'd Statical; and of some Advantages and Conveniencies it hath above the Mercurial: communicated, some while since, by the Honourable Robert Boyle.

AS for the New kind of Baroscopes, which, not long agoe,**See Num. 11. p. 185. Phil. Transactions. I intimated to you, that my haste would not permit me to give you an account off; since your Letters acquaint me, that you still design a Communicating to the

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