THE LAWS OF CONDUCTION OF HEAT IN BARS. 



89 



scale errors and for the temperature of the stem. Where the temperature of the air 

 of the room has not been quite steady, the variations have been interpolated and al- 

 lowed for in deducing the excess of temperature of the bar above that of the room. 

 77. I shall give the details of one experiment as a specimen (all reductions 

 being first made). 



TABLE IV.— Cooling of Short 11-inch Bar, C.— 26th March 1851. 





Hole (2), 



Hole (1), 



Hole (3), 





Hole (2), 



Hole (1), 



Hole (3), 



Hour. 



Centre. 



to the Left. 



to the Eight. 



Hour. 



Centre. 



to the Left. 



to the Eight. 



Corrected 



Corrected 



Corrected 



Corrected 



Corrected 



Corrected 





Excess. 



Excess. 



Excess. 





Excess. 



Excess. 



Excess. 



h. m. s. 







o 







h. m. s. 







o 



o 



12 59 



170-7 







2 1 





55-20 





1 



1674 







2 



5415 







1 



164-0 







3 







53-2 



2 



16085 







4 



52-4 







3 



157-6 







5 





51-65 





4 



1545 







6 



50-6 







5 



151-45 







7 







4975 



6 



14845 







8 

 9 



490 



48-35 













12 

 13 



131-7 

 129-2 







10 



47 -4 















14 



126-6 







21 



40-1 



40-15 





15 



124-2 







22 



39-35 





39-40 



16 



121-7 



119-85 





24 



38-25 



38-20 





17 









26 



37-10 





37-10 



18 

 19 

 20 



116-95 

 112-65 





114-25 



28 



36-0 



3605 





48 

 50 



269 

 26-15 



26-95 



26-2 



21 

 22 



108-35 



110-85 





52 



54 



25-4 

 24-6 



25-4 



24-6 



23 







106-0 











24 



104-5 





3 31 



14-95 



14-92 





25 





10305 





34 



14-35 



14-32 





26 



100-65 







36 



38 30 



14-0 

 13-40 





13-92 

 13-25 



29 







95-10 















30 



93-75 







4 10 



8-98 



9-00 



8-92 



31 





92-05 





15 



8-48 



8-50 



841 



32 



90-25 







20 



798 



79 



7-8 



33 

 34 



87-0 



88-9 





25 



753 



7-55 



7-44 











35 







85-5 



6 0* 



2-79 



2-6 





36 



84-10 







10* 



2-54 



2-4 





37 







82-5 



20* 



2-15 



2-1 





38 



39 



81-25 



79-95 





30* 



2-0 



1-9 











40 



78-50 







8 10* 

 20* 



0-9 

 0-9 



0-7 

 0-7 









2 



56-10 







30* 



0-85 



0-7 





* Rea 



d by an assi 



stant. The 



scale of the 



thermometer 



in hole (3) 



being liable 



to mistake 



in reading 



its results t 



ire omitted. 













VOL. XXIV. PAET I. 



2B 



