184 Mr. W. Whitehouse on a New Hygrometer. [Feb. 22, 



Table {continued). 







Mason's 



Mr. White- 



Deductions from 



1 



1871- 



Hygrometer. 



house's. 



Wet-bulb 

 Hygrometer. 





















1 rQ 



<S 3 





Remarks. 



Day. 



Hour. 



Dry 

 Bulb. 



Wet 

 Bulb 



. u 



M 1 

 £A 



Acid 

 Bulb 



ifference, 

 A-D. 



insion of 

 Vapour. 



SH° ? • " 













ft 





q 



EH 





M 







h. m. 













in 

 •182 



jgrs. 



2"I 





f Vapour much de- 



Nov. 9 .. 



9 O A.M 







37'° 







35'c 







2'0 







58'5 







21-5 



83 



1 creased ; yet hu- 

 j midity has risen. 

 [ Note acid-bulb. 





9 IO » 



37*° 



35-c 



2'0 



58'0 



21-0 



•182 



2*1 



81 



f Fine day ; rather 



I cloudy p.m. 



f Vapour slightly in- 



» 

 » 



O 20 P.M. 



2 O „ 



3 o „ 



45-0 

 45-0 

 45 '° 



4o-c 

 39-2 

 39'° 



5 -0 



5-8 

 6*o 



68-o 

 66-o 

 667 



23*0 

 21'0 

 1 21'7 



•i8zi 

 •181 



2" 3 



66 

 61 

 60 



1 creased, but hu- 

 1 midity decreased. 

 [_ Note acid-bulb. 





3 3o „ 



45-0 



39' 2 



58 



66-o 



21*0 



'184 





61 





>> • • 



3 45 » 



44'5 39'° 



5'5 



657 1 21-2 



•185 



2*1 



6 3 



Slight shower at 4.10 



}> 



6 „ 



42*0 



38-5 



3'5 



63-5 



21'5 



•198 



2 '3 



76 



>> - ' 



6 3° » 



42-0 38-5 



3'5 



62-5 



20"5 



•198 



2 '3 



76 



P.M. 



jK ,*» ? • • 



7 ° » 



41-q 1 38-0 



3'° 



62-0 



2I*0 



•197 



2-3 



77 





>> • • 



8 „ 



39'5; 



37'° 



*'5 



63-0 



2 3'5 



•194 



2'3 



80 





., 



9 ° •> 



39'5 36-5 



3'° 



6i*o 



21-5 



•185 



2'I 



77 





Nov. 10. . 



1 1 30 A.M. 



43-0 



30-0 



4'° 



67*0 



24-0 



•181 



2*1 



65 



1 



» 



1 1 4° » 



42'5| 39'° 



3'5 



67-2 



247 



•202 



2-3 



75 



[ Note these changes. 



>> 



3 io P.M. 



45"°; 39"° 



6-o 



00 



23-0 



•181 



2 - I 



60 



J 



>• 



6 



42*5 



37'° 



5'5 



62*0 



i9'5 



•170 



i'9 



63 







6 30 „ 



4i*5! 



37'° 



4' 5 



6ro 



19-5 



•177 



2"0 



67 







7 3° » 



40-0 36-5 



3'5 



6o - o 



20'0 



•180 



2-1 



73 







8 



39'5 36-0 



3 5 



6i*o 



21-5 



•176 



2*1 



74 







8 30 



38 5: 35 5 



3 ° 



6o - o 



21-5 



•177 



2-1 



76 





>> 



n 



3 8 '5 35'o 



3 5 



59'5 



21'0 



•169 



2'0 



80 







8 50 A.M. 



33'° 



32*0 



1 "0 



52'5 



J 9'5 



•167 



2"0 



89 



Foggy and cold. 



it 



9 5° » 



35'° 33'° 



2"0 



55-0 



2CO 



•164 



i'9 



80 



| Vapour increased ; 



>> 



11 20 



39"° 



36-5 



2 '5 



62-0 



23-0 



•190 



22 



80 



J humidity steady. 





Acid flow 



ing abou 



t 1 



drop 



in 77 



seco 



nds. 







Nov. 4 . . 



2 50 P.M. 



48-0' 



44' 5 



3'5 



?7i'5 



?23' 5 



•253 



2-9 



70 



Acid-reading doubt- 



» 



3 10 » 



47 '3 44'° 



3'3 



74' 3 



27-0 



258 



2-9 



77 



ful ; taken too soon 



» 



3 3o >, 



47*5 44' 3 



3' 2 



75'° 



27-5 



'255 



2-85 



78 



after starting. 





3 5° » 



47-2 44-0 



3-2 



74'° 



26-8 



•25I 



2-9 



78 



~l Humidity unaltered ; 



Nov. 24.'. 



1 1 24 A.M. 



44'° 41 '2 



2-8 



66-5 



22*5 



•228 



2-6 



78 



J vapour decreased. 





5 30 P.M. 



42-0 38-5 



3'5 



63*3 



21-3 



•I99 



2-3 



75 







6 „ 



41-5 3§-o 



3*5 



63-0 



21-5 



•I93 



2-3 



75 







6 30 „ 



4i"5 37*5 

 3S-5 ( 36-8 



4'° 



63-0 



215 



•185 



2-2 



71 





Nov. 25 . . 



II 30 A.M. 



I '7 



6ro 



22- 5 



*200 



2'3 



86 1 



Vapour hardly changed ; 



Nov. 29.. 



II 15 „ 



39-0 37-0 



2'0 



615 



22'5 



•I99 



2 '3 



84 



humidity very largely 





II 25 „ 



39'° 37'° 



2'0 



6i*o 



22'0 









increased. Note acid. 





3 45P-M- 



4°'° 37'3 



27 



62-5 



22*5 











*> 



5o„ 



39'° 37'5 



i'5 



6i-o 



22'0 













6 „ 



38-0 



36-0 



2 - 



59'° 



21'0 











Nov.30!! 



6 3o „ 



38-o 



35'5 



2 '5 



58'5 



2CO 











20,, 

 40,, 

 4 3° » 



39'° 37'° 

 39'5 37'° 

 39-oj 37-0 



2*0 



2'5 

 2*0 



62 - 



61-5 



6i- 5 



23-0 

 22'0 

 22"5 











»# 



5 •> 



38'5 -37-o 



*'5 



6ro | 



22 - 5 









Raining. 



>> * • 



5 30 >• 



38'5 3 6 '7 



i-8 



6i-o| 



22'5 











