Proceedings of the Asiatic Society of Bengal. [May, 1910. 



As regards tap water supplied to the laboratories its tem- 

 perature is likely to vary considerably in some localities, while 



rh„r Z ? aif . ly C ° nStant Pr ° feSSor T K - Ga JJ ai ' sports 

 wJa %a^Z £ P W"!*" W in Bomba y fluctuate! between 



27° and 29°. Mr. A. W 



f r „,„ + i . . „ r «x xicvouuiuin sunes uiat water 



ZTJZ m T ! S USuall ~Y nearer 25 ° than 30°. These facts 



refWpnop n,r / , g 1C as a temperature ot 



afranTelnt fh me T ° f a \ el f tri ^ al resistance thermostatic 



annarftrhL ^ ? ay b 5 kept COnstant at 30 °- Such a » 



c&^tT^ at Sibpur College for *■ in the 



able?n*li' 2" ? iU '* Allahabad ' inf o™ us that 25°C. is obtain- 

 during p S° n T N °^ mber lst <*> March 15th, that is 

 laborftorv t. T ther " Fr ° m Apnl t0 Jul ^ the ave ™ge 



sab^t5°toT r ?« Ure VarieS / rom 30 ° <*> 35°, in the rains it 

 would not bP ' °TT. : qU6ntly ' he adds > " a sta «dard of 30° 

 be at al ton h £ ^ t°, US in Allahabad > a «d 35° would not 

 *5° and 4° fli ^or Indian standards I should suggest 0°, 

 work at 35°" W f^^f C0 ?J d be ^arly always arranged to 



wfth r^ ♦ T 0t ° r ^ m th0 hot weather and rains." 

 favour of sufji ° ^ P T P ° 8als the Committee are not in 



or India F™ ^ m0T ° f™ ? ne temperature of reference 



of 2^ « ^ts^^ir^si^ the proposai 



the CormiUeel; t„ ^ ^ E Fra neotte, and the object of 



adopted a^dfouL T,? ° ne 7 hich is likeb / to be generally 

 adopted and found practically useful in scientific work 



of AUahA-id" and 7n "f ^ ™ and ^"^ (both 

 sugge^'a^ * « -land station) 



figures is 30°. ^spe.tively. The mean of these two 



Two scientists in Madras Profe*snr p t l t u • • . 



and Professor Erlam S m ;/ ' °v !!??" R - ¥' Jones ' a Phywcxst, 



respectively. 



advocat 

 30 



"FiT.+ k™ -J ° . "»ccmi IM aDOUt sir. 



by Pro/etr F^T^t^ ^ pe fure is given 



»2" -^^Pe^oter J*K 



variation of " oL ^^ip"*^. ^T 1 ' ab ° ut 29 °' and a 

 The tempLture in l fl hn T partlcular locality is exceptional, 

 mean Tdurine the \ ab °, raton . es corresponds closely to this 

 made "au^^ lyt C, , £ T*± T** Ovations are 

 tion of 30° i^lfs^t^ TenderS Pr ° feSsor Mhl ' s «W- 

 From a practical point of view Mr P T t i > /ir n 

 remark is of considerable important <%t i * 8 ( Kasaub) 

 we get from disHlWipa n a I f * , Jt 1S clear from records 

 country thaTsOT L a LrP ^T^ wareb ouses all over the 

 LV( ,.* • is a more useful standard temperature than 



