'Mf, 



I 



Jhdfom ^* 

 JintiojYi tempcrnttire 

 J^o.of th'frmom-eter ^^-ff ^ htt 

 Carrc4}fo(i ievhp^rature — — 

 Air " Siet'face ^ 



SOUNDING WIRE. 



/Vi ry^yr. 7/, /iT. 







300 



400 



."i> > 



(KXJ 

 700 



»><>J 



lOCU 



tacj^ 

 1300 

 i^) 

 1^ 

 iGoo 

 ryoo 

 1800 

 1900 



»OQO 



sxcx> 

 asoo 



It 300 

 2400 



Oar. 



Drift 



rjoWN. 



yf«. 



