: = = Fw 
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im [ I TSG) 
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| Se sbirsriae a ! a 
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ad =e = | 
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i IL 
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a F \ 
iy 7 | 
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56" ; = - 
ne a : J THERMOMETRIC CURVES, ‘Ge ain 
si hls | TI 7 ini Observed at the Observatory ut Cambridge NE during the tive days commenciny 1840 bctober 20°10" T ea = [> | F 
iat = [ Te as ERT que LL The observations were made ut intevels of 20 minutes. =) Tia 
| le emprrical curve ts caleulated ie formula. “ " 
lal Temperature =447 7-36 SICAL LGA J-O°8 sind [(t-9°11367-0% S1n.3/t- 6'3T-25;)0'4 sin.4y/t-0 38742) 
2 J 
Shale alent The curve trom October 2010to October 21°40* ts «lire thus = il anime "I 
iz i (nee + 3 5 ” Bf. . ee hse ‘ 
; P = ECE sea Boke! teas F 
qe [=a | al \" fr 0 \ 23. « Be AN 7 : aN 
65" {sed att Il lla | 7 ib =e cs 6 oo & : | z=! 
, ! [ il The mean curves+ » » 
Theempirtcal "4. e +— | 
AT | IL | |" SryTheyers TH Boston. Fi i | 
saa f Ba Ea RS! HAH a 
oe ‘1 ! jee D 
ps 6 ae ae go 10% “> 12° 43* 14 i5* 16% i7* 18 (a 0% age 2 3* 
Coombridye Time. 
