Wl, 



Ah. 



9 k 



Dute O- 

 Jfffchhtr. Jteel. 



Turn* 



Cor. + 



.<in>t or It.Ufi 



mm 



JUtHoui temparafwe 



.Yo. of thermometer i' ' ' ' v 



Cor reefed i'lnperatitm 



Air w(# Sur/'aee 



Vrau 



SOUNDING WIRE. 



Pf 4 



too 



300 

 I"" 



I H*> 

 t ft »> 

 ) 3. . 1 

 1 ir«n 



Cor. 



htift 



DREDf.t ROPfc 



in .WN. 



VI'. 



