Nu m b , 2 1 « 
PHILOSOPHICAL- 
TRANSACTIONS. 
M unday, January 21 . 1 666 1 
The Contents. 
An Account > formerly promifed, of Monfieur Hevelius’s, Calculation 
of the late Solar tclipfe’s Quantity, Duration, &c„ The Figure 
of the Star in the C on (le Hation of Cygnus 5 together wit h the New 
Star in it, d/fcovered fome years ago, and very lately feen again by 
the fame Mr . Hevelius. An Extract of a Letter , written by Mr, 
Auzout, concerning a way of his, for taking the Diameters of the 
Planets, and for knowing the Parallax of the Moon : Giving alfs 
aReafon, why in the Solar Eclipfe above-mentioned , the Diameter 
of the Moon did increafe about the end. A Relation of the lof of 
the Way to prepare the Bononian Stone for fbining. A Defcriptioa 
of a Swedilh Stone, affording Sulphur, yitrioi,; Alium 5 andWk. 
mum. A Relation of the Raining of Afhes. An Extract of a Let- 
ter from Rome 5 rectifying the Relation of Salamanders living in 
Fire. An Account of feveral Engagements for Obferving ofTydes, 
Some Sugge [lions for Remedies againfi Cold . A Relation of an un- 
common Accident in two Aged Perfons . An Account of Two Books f 
I. ISM A EL IS BULLIALDI ad Aftronomos Monita 
duo : Primum ? de Stella Nova, in CqlloCeti ante aliquot annos 
vifa. Akeruip., deNebulofa Stella in Andromeda Cinguli parte 
Berea, ante biennium it erum orta. 1 1. E N T R E T I EN S 
fur les vies & fur les Ouvrages des plus excellens Peintres-, 
andents & modernes ; par M e F E L I B I E N. 
Monfieur Hevelius $ Calculation of the late Solar 
Eclipfis Quantity., Duration^ &c t 
rp'His Calculus was not long fince communicated by Monfieur 
Hevelius in a Letter to the Publifter, as follows^ 
Ccc Eclipfis 
