

















[PLASKETT-DELURY | THE SOLAR ROTATION 41 
TABLE V.—SUMMARY OF MEASURES. 
Series III.—Measured by Plaskett.—/ 4250. 60° 
1st Correction 2nd Correction 
Date Measured Method Method 
Piate—(G Mol. 19th) Velocity | EE —— 
g | Vatg gi P2 VE PU 
859f Oct. 3-13 -730 |59° 50’| -834 158° 24/150° 51’) -887 | 1-100 
860e SU Co -748 159 50 -854 158 25/50 42) -901 | 1-123 
f Baily -725 |59 50 -830 158 25/50 42 -875 | 1-096 
S6le Sal Le. -723 159 50 -829 158 25 50 42 -873 | 1-094 
f # 3-18 -705 159 50 -810 158 25/50 42 -853 | 1-069 
863e Scie) -649 159 50 -739 158 25150 42 -790 -988 
f “ 5-13 -645 159 50 -735 (58 25150 42 -786 -983 
865e OLS -600 159 52 -695 158 33 151 6 -732 -910 
f S 5-28 -620 159 52 -715 158 33 151 6 -753 -938 
866e © 5-30 -617 159 52 -711 158 33 151 6 -749 -935 
f oO) -620 159 52 -714 (58 33 151 6 -753 -939 
867e = 5-32 -597 159 52 -692 158 33 151 6 -728 -906 
f 5-32 -586 159 53 -679 158 33 151 6 -716 -892 
869e COTES -733 159 53 -836 158 21/50 55 -885 | 1-099 
f 2 Trek} -712 |59 53 -813 158 21 50 55, -861 | 1-070 
870e e815) -724 |59 53 -825 158 21/50 55); -875 | 1-086 
f MTS ls -726 |59 53 -828 158 21150 55 -877 | 1-089 
87le Se Yi silts’ -733 159 53 -836 158 21 50 55 -885 | 1-098 
f Sy out -742 159 55 -846 158 21/50 55) «-894 | 1-111 
872e 2 eons) 134 (59° 55 -836 158 21 50 55 -886 | 1-099 
873e - 9-12 -713 159 55 -813 158 19 51 55 -864 | 1-070 
f & 9-12) = 714 |59 55 -814 58 19 151 2 -865 | 1-071 
S874e 19:14 -709 159 55 -809 58 19 51 2 -859 | 1-064 
SR PACA on EL -709 159 55 | -809 158 19 51 2} -859 | 1-064 
Means Linear 59 53 | 788 158 25 50 55 -834 | 1-037 
Means ‘Angular | SN LS I: 30!) 11°: 68 
‘ 
Probable Error Single Plate”... - eS 
ss Mean CPR Se ore ake eT ORGS apie = + -00$ 
Sec D, 1912) 4: 
