m 



m m ± mm 



(D m m 



^ 



THERMOS AS A THERMOSTAT IN TEST-TUBE 



CULTURE. 



By 



Tgji Nishida, NogahmJd. 



m^mmh Thermos (i 1892 ^^m^rV-il (Dewar) R;6^^^^^C7)^#^ 

 i tt:#HJ3^^n/a5 Dewar's flask ^^t^e)^^^^'^^^^)!^ t/a^ ^ 0^^ -CH 



Ei^-cMf^-^^-s v.^^iife#:>r'/7 (isoia) m±u^toitm^r.Bj^Wi^ir 



Um^^Wh f- T^^ (Pierce) ^\L X b Respiration Calorimeter ^ L'^BM'^^^^ 

 Ma^i^^it^f^^ Thermostat iXmhV^^^mM'^^^^ht'kfUi^iZ b o 



