( 43O N«w. 14. 
PHILOSOPHICAL 
TRANS ACTIONS. 
Munday 5 July 2. 1*6 66. 
The Contents. 
jin Account of a New kfnd 0/Barofcope,n?£z^ may he call'd Stati- 
cal - and of feme Advantages and Convenieneies it hath above the 
Mercurial 9 communicated by Mr . Boyle. Particular Obferva - 
tions of the Planet Mars, formerly intimated to have been made by 
Mr. Hook in February and March lafl. Some Obfervationsynade 
in Italy, confirming the for men and with all fixingtbe Period of the 
f ‘aid Planet's Revolution ♦ Obfervations , lately made at London, 
of the Planet Jupiter * as alfo of Saturn. A Relation of a fad E fi- 
fe SI of Thunder and Lightning. An Account of fome Books , lately 
fubhjh't 9 vide!. The Relations of divers Curious Voyages fy 'Motif 
Thevenot : A Dijcourfe about the Caufe of the Inundation of the 
Nile, by Monf. dc la Chambre ^ both French : De Principiis 
S 3 Ratiocinations Ceometrarum , Contra Faftum Prcfefforum Geo- 
metries^, by MriHobbtsiIfingS^lomonsPourtraitureofOld Age } 
J. Smith, M. D. 
An Account 
Of a New kind o/Barofcope, which may be called Statical ; 
and of fome Advantages and Convenieneies it hath above 
& Mercurial : Communicated^ fome while fmee , by the 
Honourable Robert Boyle* 
S for the New kind of Bar ofcopes p which, not long 
agoe, * I intimated to you, that my *See Num. 1 1 ,p, 
hafte would not permit me to give 185. Phil. Tranf- 
you an account off; fince your Let- h£tt*ns> 
ters acquaint me, that you ftill defign a Communicating to the 
1 i * Curious- 
