316 



PRITCHARD S WEDGE PHOTOMETER. 



TRANSMISSION MADE 



TABLE V. 



No 

 "Wedge. 



Wedge 

 at 0.3 in. 



Wedge 

 at 1.8 in. 



<X4 



(Dev. 46 



35.3 

 37.0 



Mean of Series 1 



* <K5 



(Dev. 44 



Mean of Series 2 



36.2 



10.0 



173.0 

 245.0 



209.0 



Wedge 

 at 3.3 in. 



Wedge 



Wedge 



at 4.8 in. at 6 3 in 



64.5 

 70.1 



67.3 



-* 0".6 



(Dev. 44 



Mean of Series 3 



>0*.7 



482.0 

 566.0 



521.0 



132.0 

 125.0 



11.2 



10.2 



19.7 



I 



129.0 



18.2 



810.0 



(Dev. 43° 37') 



865.0 



Mean of Series 4 



>1*.0 



(Dev. 42 



838.0 



1240.0 



Mean of Series 5 



1170.0 



308.0 

 330.0 



319.0 



684.0 

 692.0 



86.3 

 90.6 



21.7 



23.1 



88.5 



367.0 

 369.0 



22.4 



1209.0 688.0 368.0 



190.0 

 197.0 



96.2 

 95.7 



194.0 



96.0 



Above observations taken before 12.30 p.m. ; tbe following, after 12.30 p 



*0M 



(Dev. 46 



Mean of Series 6 



> 0*5 



(Dev. 44° 58') 



Mean of Series 7 



»0m.6 



(Dev. 44 



5-2.6 

 55.0 





Mean of Series 8 



464.0 



»0m.7 



(Dev. 43° 37') 



Mean of Series 9 



^1>\0 



(Dev. 42° 54') 



Mean of Series 10 



742.0 



702.0 



53.8 



122.0 

 134.0 



128.0 



275.0 

 279.0 



17.9 

 16.5 



17.2 





752.0 



1129.0 



1121.0 



1124.0 



277.0 



671.0 

 682.0 



677.0 



76.6 

 76.2 





76.4 



345.0 

 353.0 



19.6 

 19.4 



19.5 



184.0 



98.6 



349.0 



187.0 95.6 



186.0 



97.1 



43.8 

 44.5 



44.2 



