92 Prof. Magnus on the Propagation of Heat in Gases. 



Position of 



equilibrium 



of the 



needle. 



Mean. 



Observed 

 deflection. 



Difference. 



Position of 



equilibrium 



of the 



needle. 



Mean. 



Observed 

 deflection. 



Difference. 



Atmospheric air under 1 atm. pressure. 



Protoxide of nitrogen under 1 atm. pres. 



+2-0 

 +2-2 

 27 

 2-5 

 2-2 

 2-2 



+2-1 

 2-3 

 2-6 

 2 3 

 2-2 



](v5 

 170 

 170 

 167 

 167 



14 4 



147 

 14-4 

 14-4 

 14 5 



+3 

 35 

 37 

 37 

 35 

 35 



+3-2 

 3-6 

 37 

 36 

 3-5 



150 

 15-5 

 157 

 157 

 15-5 



11-8 



11-9 

 120 

 121 

 120 



Me 





14-4 



Mean 120 







Atmospheric air under 1 atm. pressure. 



Olefiant gas under 1 atm. pressure. 



00 



+07 

 +0-5 

 +07 

 +0-5 



+0-4 

 0-6 

 0-6 

 0-6 



147 

 150 

 150 

 150 



14-3 

 14-4 

 14-4 

 14-4 



+ 1-2 

 1-2 



07 

 07 

 07 

 07 



+ 1-2 

 10 

 07 

 07 

 07 



85 

 8-5 

 8-2 

 8-2 

 8-5 



73 

 75 

 75 

 75 



7-8 



Mean 144 . 



Meau 7-5 



Atmospheric air under 1 atm. pressure. 



Carbonic oxide under 1 atm. pressure. 



00 

 +0-2 

 0-2 

 05 

 05 



+01 

 0-2 

 0-3 

 05 



145 

 147 

 147 

 150 



14-4 

 145 

 14-4 

 145 



00 



+02 



00 



00 



-0-2 



+01 

 01 

 00 



-01 



127 

 13 

 130 

 127 



12 6 

 129 

 130 

 12-8 



Me 





14-45 



Mean 12-8 









Carbonic oxide under 9 millims. pres. 



+0-5 

 00 

 -0 5 

 -0-5 

 -05 



+0-25 

 -0-25 

 -0 5 

 -0-5 



15-5 

 152 

 15-2 

 150 



15 25 

 15-45 

 1570 

 15 50 



Mean 155 



Oxygen under 1 atm. pressure. 



00 

 +02 

 0-2 

 05 

 0-5 



+01 



0-2 

 0-35 

 0-5 



145 



145 

 147 

 150 



14-4 

 14-3 

 14 35 

 14-5 



Mean 14-4 



Atmospheric air under 1 atm. pressure. 



Cyanogen under 1 atm. pressure. 



00 



+0-2 

 00 

 00 

 00 



+01 

 01 



o-o 



00 



14-5 

 14-5 

 14-4 

 14-4 



14-4 

 14-4 

 14-4 

 14-4 



00 

 +0-5 



+0-2 

 0-5 

 05 



+0-25 

 35 

 35 

 0-50 



120 

 120 

 12 



12-2 



1175 

 11-65 



11-65 

 1170 



Mp 





14-4 



















