THE LAWS OF CONDUCTION OF HEAT IN BAES. 



103 



TABLE X. — CASE II. 1|-inch Iron Bar, covered with Paper. Calculation of Area 

 of Statical Curve of Cooling (F), and of the Conductivity at different 

 Temperatures. 



Limits of Abscissae. 



Limits of Ordinates. 



M* 



Area 

 M {y'-y). 



Total 



Area 



F. 



dv 

 dx 



Con- 

 ductivity, 

 F. 

 dv 

 dx 



Corre- 

 sponding 



Actual 



Temp. 



Cent. 

 (H-13). 



X 



x' 



y 



y' 



Ft. In. 



Ft. In. 



















00 



IV. „ 



o- 



•021 



•980 



•0206 



... 









IV. „ 



III. „ 



•021 



•070 



•8305 



•0407 



•0613 



4-47 f 



01372 



17 



III. „ 



II. „ 



•070 



•282 



•7177 



•1521 



•2134 



16-3 



•01310 



26 



II. „ 



1.6 



•282 



•58 



•6935 



•2066 



•4200 



32-5 



•01292 



37 



I. 6 



I„ 



•58 



1-28 



•6317 



•4422 



•8622 



69-9 



•01234 



62 



I. „ 



„ 9 



1-28 



1-98 



•5728 



•4020 



1-2642 



1090 



•01160 



84 



„ 9 



„ 7-5 



1-98 



2-48 



•5551 



•2776 



1-5418 



137-6 



•01120 



99 



„ 7-5 



,. 6 



2-48 



3-14 



•5301 



•3499 



1-8917 



175-2 



•01080 



119 



„ 6 



„ 5 



314 



373 



•4840 



•2855 



2-1772 



206-5 



•01054 



134 



„ 5 



„ 4 



3-73 



4-41 



•4978 



•3385 



2-5157 



245 



•01027 



153 



„ 4 



„ 3 



4-41 



5-20 



•5055 



•3993 



2-9150 



292 



•00998 



176 



„ 3 



„ 2 



5-20 



605 



•5500 



•4675 



33825 + 



351 



•00964+ 



202 



„ 2 



„ 1 



6-05 



7-06 



•5401 



•5455 



3-9280+ 



423 



•00929 + 



234 



„ 1 



„ o 



706 



8-30 



•5147 



•6383 



4-5663+ 



512 



•00892+ 



273 



0) 



(2) 



(3) 



(4) 



(5) 



(6) 



(7) 



(8) 



(9) 



(10) 



* M = ( 



V4343 



x — x' 









% More 



or less uncertain. 





lo| 



yy'-\og 



y 



f Thei 



values of 



dv . 

 -r— are al 

 dx 



I from eqi 



lations, ai 



id theyal 



1 agree satisfactorily with projection. 



TABLE XL — CASE III. 1-inch Iron Bar, Naked. Calculation of Area of Statical 

 Curve of Cooling (F), and of the Conductivity at Different Temperatures. 



















Con- 















Area 

 M {y'-y). 



Total 



dv 



ductivity, 



Actual 



X 



x' 



y 



y' 



M 



Area 

 F. 



dx 



F. 

 dv 



Temp. 

 Cent. 



















~ dx 



o+ii); 



Ft. In. 



Ft. In. 



o 

















OO 



IV. „ 



0- 



00185 



•820 



•0152 









o 



IV. ,, 



III. „ 



•0185 



•070 



•7515 



•0387 



0539 



5-52 



•00977 



16 



III. „ 



II. „ 



•070 



•258 



•7667 



•1441 



■1980 



1964 



•01008 



27 



II. „ 



I. 6 



•258 



•55 



•6605 



•1928 



•3908 



38-0 



•01029 



41 



I. 6 



I. „ 



•55 



1-185 



•6515- 



•4137 



•8045 



81-6 



•00986 



68 



I-„ 



„ 9 



1-185 



1-85 



•5612 



•3733 



1-1778 



124-1 



•00949 



94 



„ 9 



„ 7-5 



1-85 



2-33 



•5419 



•2600 



1-4378 



154-6 



•00930 



111 



„ 7-5 



„ 6 



2-33 



2-93 



•5456 



•3274 



1-7652 



193-6 



•00912 



132 



„ 6 



„ 5 



2-93 



3-44 



•5192 



•2648 



2-0300 



226-0 



•00898 



149 



„ 5 



„ 4 



3-44 



400 



•5526 



•3094 



2-3394 



264-4 



•00885 



170 



„ 4 



„ 3 



400 



4-54 



•6580 



•3553 



26947 



310-5 



•00868 



193 



„ 3 



„ 2 



4-54 



5 19 



•6229 



•4048 



30995* 



366 



*-00847 



221 



2 



., 1 



5-19 



5-92 



•6339 



•4627 



3-5622* 



432 



*-00824 



254 



„ 1 



„ o 



5-92 



6-75 



•6349 



•5270 



4-0892* 



512 



*'00799 



293 



! (i) 



(2) 



(3) 



(4) 



(5) 



(6) 



(7) 



(8) 



(9) 



(10) 









* | 



4ore or le 



ss uncert 



ain. 









