54 
Feet 
Length of base measured on the ice . . . . . 11,100 
36 x 007704 x 111=30,785184— ore 2,56543 
“42 ~~ Correct length . 11097.43457 
Base measured on the Moy plain. 
First measurement ehikciayedd  cinetdt= 1 nok iesh eee SOO. 
Mean of the thermometer 59° standard 65° differ. 
ence 6°. 
6 x 007704 x 68=.046224=3.143239— RET ODS. -261936 
12 Correct length 6799.738064 
Second measurement . . . . “ » cee) ot %!! GSO00ISTS 
Mean of the thermometer 51° 
Standard 65° difference 14° 
14 x 68 x 007704=7,334208 = Se trad an of 611184 
ny do Correct length . 6799.763816 
Base measured on the sands in the half barony of Erris. 
First measurement . .. . ee Al bee) 
Mean of the thermometers 72° coer 65° 
difference 7° 
0077047 %9971.5=538771608—. .... s » 448096 
12 — Correct length . ~ 9971.948096 
Second measurement : H 9971.35 
Mean temperature 73° Standard 65° vdifierartée 8° 
007704 x 8 x 9971.=614532672= g : 512110 
12 Correct es ~ 9971.862110 
