i22 Papers relaimg to ihe Busion of Carbon- 
Phe points being connected a‘ right angles ina cathe ex- 
cluding. the external air, the accumulation was at right an- 
gles, shooting off in a curvilinear form, and at last straight, 
till it was } an inch ‘in length. 
_ April 13—1. Negative weighed 4 grains ; positive 43 grains 
being brought together i in a small globe at right angles,— 
viele ignition—negative weighed the same; the positive 
4 Negative cower 5 positive 3,7, : the same points as the 
last used in the’globe. On bringing the points together, 
there was a considerable explosion which blew out one of 
the corks—the positive lost ;°; of a grain, and the negative 
weighed the same as at first : this kind of explosion (arising 
probably from hydrogen) occurred. eee’ times. 
. Positive weighing 3,°;; aud the negative aw in this, 
and in many of the preceding pence Metco there was a pro- 
duction of prussic acid, evident from the sme acgeuse lost 
+5; and the negative gained 2;. In noinstance, when the spark 
was taken in a globe, did the negative Jose; but in some it 
gained. © In one case the weight of the charcoal in the. 
tive was Sie it eo Seite #5 more ; the ages Shaeees itch 
= accumu in that case w 
ene aor weighed wt 15a. 
: Negative G6. dos = OTS 
After the expervment. 
Negative do. do. - - = 77%. . 
Positive do. do.- - - 13,3. Lest 1,45. 
Ss Positive do. do. i se = Te: 
Negative do. do.- - - 7,3 
“After the ayant 
Negative do. do. - - - 77%. 
Positive do, do.- - -‘1l. 
The white fume formerly observed ies condénsed in a 
glass globe, changed the red tincture of alkanet to b/ue, and 
was therefore probably alkali: but a similar white cloud arises 
mee ees of plumbago and is probably not alkaline. 
the preceding experiments it follows that both in 
the a air and in elese vessels, the positive pole always! loses 
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