Tables 233-236. 

 THERMOMETERS. 



TABLE 233. — Gas and Mercury Thermometers. 



233 



If /h, ^n, ^co2) ^16. '69. ^T, are temperatures measured with the hydrogen, nitrogen, carbonic acid, 

 16"^, 59"', and " verre dur " (Tonnelot), respectively, then 

 (100—/)/ 

 /h — ^T = — ^^^2 — [— 0.61859 + 0.0047351./ — o.ooooi 1 577-^^]* 



(100 — /)/r 

 it, — ii= — i^o2~ [—0-55541 + 0.0048240./— 0.000024S07./2]* 



^002— ^T = °~^^^ [—0-33386 + 0.0039910./— 0.000016678./2]* 



/h — /i6= ^^°°~/^^ [— 0.67039 + 0.0047351./ — o.ooooi 1 577./2]t 



/"u — 49= ^^°°~2 [—0.310S9 + 0.0047351./ — o.ooooi 1 577./2]t 



• Chappuis ; Trav. et Mdm. du Bur. internat. des Poids et Mes. 6, i88S. 



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

 Ztg. 1897. 



TABLE 234. ta — 1,8 (Hydrogen— 16™). 



TABLE 235. ta-tss (Hydrogen- 59'"). 



TABLE 236. (Hydrogen — 16"'), (Hydrogen — 59'"). 



All compiled from Landolt-Bbmstein^MeyerhoSer's Physikalisch-chemische Tabellen. 

 Smithsonian Tables. 



