278 Upon Calorie as a cause of Galvanic Currents. 
Positive current and caloric 
moving 
Fe acim m in opposition. 
RE so ei cane 
leoda. hot. | hot. hor, cold. vik 
+ - ~ 
BEOMUTH «of 6. ack es B. =o. 1) : 
‘and 5 
Antimony A.& B. | A. & B. 
Arsenic. . Ao ee ft Ay ee Dy 
ret ae i 4 a . = Be The ee of 2nd column most usu- 
ane, S&B. S&B. al: it a appears manifest that as soon 
pe = re & B. “s & B. > as Oy Bismuth is heated sufficiently to 
Tin tetra eee T&R. T.&B. give o to the other 
Zine. om ‘ : Zz. & B. Z. & B.: metals, it ‘Joes its\regulating power, 
ae ar 
ito... EE SB, Tt. & 5. 
Mereuiy.. M.& B. | M.& B. 
Nickel. . Na BN. eB. |) 
Antimony | A. & A. 7} 
and ” 
3 1.A.8&°A. ; 
Arsenic. .. 2 A&A. 
. 1. P..& A. 
Platinum.: . 2 A&P. 
hy An 8 C. 
Copper... - |p’ Gg A. | 
Silver, ., . | 4-& 8. No. 2. first column, most usual ual and power- 
died 2.8. & A. | ful; hence it is obvious that the elemen- 
ee A &L, tary state of the antimony regulates s the 
Petts » Look A. 
4 JAD ET. 
Tins ee ly pg a 
Ack Z. 
ee 
Gold. Se ss 
aoe 
ioe Se ee j 
; pg ee BR Sey ey Series aa and 
Mercury... | A.& M. | A. & M.- ) Were int ae Ast st combination, the 2 an- 
: ei ¢ mony governs, in nthe Sed 2nd the mercury. 
Nickel....|A.&N. | A&N. [$2 nd combination o f.44 pon the 
¢ nickel governs the current. of s=_ > 
Arsenic. .} A&A. } 
and 
Platinum A. & P. 
ome, A&C. In all these cases the elementary condition 
Giger, AkE of the arsenic somulates the aipeara cur- 
Lead. A. & Eb rents, meter does not indi- 
— | A&T. eate any eal for the comb canis of 
Zinc. . A: & Z. the 2nd ¢ 
2.) 
aon, A. & 
Mercury &M. | A&M. ; In the combination of the 2nd column, the 
. 7 regulates the galvanic currents. 
Nickel....| A.& N. | A.&N nthe combination of > 
— = ; nickel regulates the galvanic cu 
