476 



Prof. Silas W. Holman on 



Table III. 



Holborn and Wien. — Air-Thermometer Comparisons, Alloy A. 



to. 



4e 

 mv. 



H. and W. Eq. 



Avenarius. 



Exponential. 



Logarithmic. 



8 

 = Data 



Per Cent, 



= Data 



Per Cent. 



5 



=Data 



Per Cent. 



S 

 =Data 



Per Cent. 







-Eq. 



= 100- 



-Eq. 



= 100^- 



-Eq. 



=iooi 



— Eq. 



= 100- 







mv. 



e 



HIV. 



e 



mv. 



e 



mv. 



e 



o 



-80 



-361 



























































+82 



+500 



-84 



-46 



-107 



-51 



-69 



-3-6 



+40 



+2-20 



154 



1000 



-147 



-6-1 



-166 



-7-2 



-122 



-4-8 



+11 



+0-50 



220 



1500 



-135 



-5-0 



-199 



-7-1 



-140 



-47 



-27 



-1-00 



273 



2000 



-150 



-4-5 



-142 



-4-3 



-85 



-2-6 



+16 



+0-50 



329 



2500 



-130 



-3-6 



-124 



-33 



-73 



-1-9 



+ 11 



+0-30 



379 



3000 



-60 



-1-4 



-66 



-1-5 



-24 



-0-57 



+45 



+ 1-00 



431 



3500 



-30 



-060 



-41 



-090 



-6 



-0-12 



+45 



+0-90 



482 



4000 







o-oo 



-14 



-022 



+8 



+0-15 



+41 



+0-80 



533 



4500 



+ 10 



+0-17 



-1 







+9 



+0-15 



+27 



+0-50 



584 



5000 







000 











-2 



-003 



+1 



+001 



633 



5500 







000 



+9 



+013 



-4 



-0 06 



-13 



-0-20 



680 



6000 



+10 



+0-11 



+28 



+0-38 



+5 



+0-07 



-15 



-0-20 



725 



6500 



+30 



+0-40 



+ 58 



+0-74 



+26 



+033 



-1 



-001 



774 



7000 



-10 



-0-12 



+35 



+0-42 



-5 



-0-06 



-39 



-0-47 



816 



7500 



+20 



+0-22 



+78 



+0-90 



+33 



+0-37 



-8 



-010 



862 



8000 







o-oo 



+69 



+0-74 



+ 19 



+0-20 



-24 



-0-26 



906 



8500 



-20 



-020 



+72 



+0-74 



+19 



+0-20 



-25 



-0-25 



952 



9000 



-55 



-0-55 



+44 



+0-43 



-10 



-0-10 



-53 



-0-52 



996 



9500 



-88 



-0-80 



+29 



+0-26 



-24 



-022 



-67 



-060 



1038 



10000 



-88 



-0-80 



+29 



+0-25 



-20 



-0-18 



-57 



-0-50 



1080 



10500 



-100 



-0-85 



+22 



+020 



-23 



-0-20 



-54 



-0*43 



1120 



11000 



-100 



-0-80 



+31 



+0-25 



-7 



-0-06 



-22 



-0-19 



1163 



11500 



-140 



-110 



-6 



-0-05 



-33 



-0-26 



-51 



-040 



1200 



12000 



-96 



-0-74 



+26 



+0-20 



+9 



+007 



+2 



+002 



1241 



12500 



-96 



-0-70 











-3 



-003 



-8 



-0-06 



1273 



13000 







000 



+84 



+0-60 



+94 



+0-67 



+ 111 



+0-80 



13:1 



13500 



+36 



+0-24 



4-84 



+0-57 



+110 



+0-80 



+ 140 



+090 



1354 



14000 



+24 



-0-17 



i-10 



+007 



+58 



+0-38 



+107 



+0-70 



1402 



14500 



-60 



-0-40 



-141 



-090 



-65 



-0-41 



+2 



+001 



1445 



15000 



-72 



-045 



-231 



-1-40 



-128 



-080 



-38 



-023 



a. d. for 



[) to 1445. 



112 





1-15 





077 





1-46 



a. d. for 43 



1 to 1445. 



0-39 





043 





0-25 





038 



a. d. for 43 



1 to 1241. 



043 





0-36 





015 





0-34 



The Avenarius Formula applied to the Holborn and Wien 

 data with constants deduced from £ = 584° and 1273° becomes 



^le^Q-to) {7-2188 + 00022994(* + g}, or 

 = 7-2188* + 2-2994.10- 3 * 2 . 

 Range 0° to 1445° 0. 



