IQ2 



TABLES 196-199. 

 THERMOMETERS. 



TABLE 196. Oas and Mercury Thermometers. 



If /H, /M, 'cos, 'i6, 69, 'T, are temperatures measured with the hydrogen, nitrogen, carbonic acid, 

 lu > 59 m > and " verre dur " (Tonnelot), respectively, then 



, H _ / T = *~r^ E 0-61859 + 0.004735 1./ 0.00001 1 577-' 2 ]* 



[0.33386+ 0.0039910.^ 0.000016678.^]*. 

 [0.67039 -j- 0.0047351. / o.ooooi 1 577-' 2 ]t 

 0.31089 + 0.0047351-' 



* Chappuis ; Trav. et Mem. du Bur. internal, des Poids et Mes. 6, 1888. 



t Thiesen, Scheel, Sell; Wiss. Abh. d. Phys. Techn.Reichanstalt,2, 1895; Scheel; Wied. Ann. 58, 1896; D. Mech. 

 Ztg. 1897. 



TABLE 197. t H - t l6 ( Hydrogen -16 m ). 



TABLE 198. t H 1 69 (Hydrogen- 59 m ). 



TABLE 199. (Hydrogen - 16 1 "), (Hydrogen 69" 1 ). 



All compiled from Landolt-Bornstein-Meyerhoffer's Physikalisch-chemische Tabellen. 

 SMITHSONIAN TABLES. 



