216 Intelligence and Miscellanies. 
which, by some means, = an equilibrium to the chemi- 
eal action which disenga 
n producing gas in an sete AES similar to Papin’s diges- 
ter, abet a by a little copper ball closed by a stop cock, 
the was unscrewed ‘and opened under a graduated bell 
scbiy: in order to measure the volume of gas which it con- 
tained, when it was ascertained that hydrogen disengaged 
from water by zinc and sulphuric acid, possessed an elastic 
orce of more than 33 Atiiecepheves, at 25° c.—Ferussac’s 
Bulletin, Juin, 1828. 
28. Sulphur.—The manner in which this substance is 
affected by heat and by sudden cooling, has often claimed 
the attention of chemists. The following detail of some ex- 
periments on this — is given by J. Dumas.— Annales 
de Chimie, Sep. 18 
Temperature. Sulphur. Cydonia, sued et ba. immersion 
be Cent. very liquit, elk ‘bis 
Tio yellow. very , common 
140° low. very friable, common zou 
170° thick, orange yellow. peas common color. 
"190° . soft and yA regain at first, but 
ais more: thiek; orange. soon friable, common color. 
299° viscid. reddish soft and pinks sparent, amber 
2 color. 
230 to 260° Jess viscid, reddish | very soft, transparent, reddish 
brown. brown. 
30. Dr. Wollaston.—The death of this eminent phitoecyfie 
is announced in the London Journals. We hope to insert a 
pain of him in the next number. He has had few equals, 
coveries have been numerous, and every thing he did was 
finished. Of him it may be truly said, nihil tetigit quod non 
‘We regret that the pressure of domestic — although 
we have added a sheet, has obliged us to omit a copious 
tion of foreign intelligence, which shall appre in 
5 our next. 
