136 



SOURCES OF HEAT AND COLD. 



s 



CO * 





15*2 



si? 



of soa 

 ammoni 

 xed acid 



I s 



I o I 



I e I 



QC CO 02 



Snow 

 Diluted 

 Diluted 



! 



S. 



CO -f 



Snow 

 Muri 



I o 



CO 

 CO 



c 

 <u 



kl 



O 3 



3 



it 



000 



'> g 



if 



o -^ 



S-5 



--S! 



S d) 

 3 * a, 



S = 



in o * 



"3 



II 



I 



uio.tj 



sjjuis 



Snow, or 

 Muriate o 



m <N *H 



Snow, or pounded 

 Muriate of soda 

 Muriate of ammon 



Muriate of soda 

 Muriate of ammo 

 Nitrate of potassa 



Snow, or pound 

 Muriate of soda . 

 Nitrate of ammon 



a. 

 CO C<> 



Snow 

 Diluted 



i% i 



S S 

 2 2 



Snow 

 Diluted nitric aci 



S. 



Snow 

 Muri 



g 



5 ** 



$a$ 9 



% hb 

 S 



.2 c S a 



vt '" 3 2 , 



SJ'oS' 



SS S 



C 05 g 3 C <B 



8l"i* 



pi^SLl 



^ t- J2 C o 

 as fl> O 



|.S2-o 



^ji*l* 



2.i5|| 

 ^ " = > ' 



f-\ nj 53 (Q cr 1 

 3 S S 



