( 75 ) 



The meun ohserviifion orn.r ainoimls (o (),()87(), if wo iicnl,.,.( \Uo 

 ohscrvaliuii placed in pai-eiitliesis, wliicii was not iisc-l Un- Hie (•alnihili(.ii. 

 Series III. Wclp^Ui 00 Gr. 



A = 10.08 B = 0.0202 6' = 377.0 



^ Ecalc. E,ne. ,. 



400 G.iOO G.3 



P 

 + 0.101 



425 10.359 10.3 -0.059 



450 -12.803 -13.0 + 0.137 



475 14.370 14.2 _ 0.170 



500 15.290 1.-3.4 +0.110 



550 16.174 10.3 _|- 0.126 



600 16.496 16.4 — 0.096 



800 16.67i 16.6 -_ 0.074 

 The mean observation error amonnts to : 0.1451 



Series IV. Weight J 00 Gr. 



A = 14 52 B = 0.0209 6' = 391 .0 



400 2./i90 2.4 — OO'.O 



425 7.386 7.4 + 0.014 



450 10.055 10.3 +0.245 



475 12.011 11.9 -0.111 



500 13.032 13.0 _ 0.032 



^50 13.997 13.9 _ 0.097 



600 14 336 14.6 + 0.264 



800 14.492 14.5 + 0.008 



The mean error amonnts to : 0.1793. 



Series V. Weight 160 Gr. 



Ji 



4(.0 

 425 

 450 

 475 

 500 

 550 

 600 

 800 



Tlie mean error amounts :o: 0.1916. 



