‘DEFLECTION OF LIGHT—DYSON AND OTHERS. 169 
Star. y Ay Aw —91x Asy. Ey Asy ay Resid 
Selaeeored - 2.93 5, 320 5,123 | —1,128 6, 251 —127 6, 378 —0. 69 + 70 
Se a 18, 72 5, 745 4,889 | —1,578 6, 467 +234 6,233 | 1-127 ae 
3 loans 17.60 5,911 5,098} —1,591 6, 689 +272 6,417] +1.48 +109 
IS, A 24. 99 5, 628 4,507 | —1,808 6, 315 +136 6,179 | +0. 74 —129 
Masons. ee: 27.21 5, 616 4,389 | —2,057 6, 446 +114 6,332| +0.62 + 24 
Normal equations 
53f+3.42d%= —1 
3.4267+5.218x= —62 
whence 
2.878% —61 
ox 
Hence deflection at the limb is 
1.75’ —0.207’ 1.55’, 
(2) Comparison with Oxford Plate I,—Theoretical plate con- 
stants 
a=+4.0, b,d=+9.1, e=+38.8. 
Star. AG Ai. Ao. —30y. Ast. At, Resid. 
Behe pick. ents J 5,050 4,973 5,052 — 88 5,140 5, 166 + 46 
Casto sea de 4,732 4, 493 4,547 —562 5, 109 5, 127 + 7 
ie ek ae 4, 622 4, 392 4, 461 —528 4,989 5, 012 —108 
6. eet PON es 4, 635 4,329 4, 326 —750 5,076 5,075 — 45 
hCG a alist deci 4, 764 4, 496 4, 409 —816 5, 225 5,219 + 90 
Star. AY. Ay. +302. Asy- Ky. Assy. Resid. 
ee ee —6, 824 —7, 051 372 —7, 423 ah —T, 296 =o 1s 
2, Sshecnntulamalagaee —5, 751 —6, 635 520 —7, 155 +234 —7, 389 —108 
eee Hse —5, 609 —6, 451 524 —6, 975 +272 —7, 247 + 34 
G23 5 hageiee days! —5, 425 —6,576 596 —7, 172 +136 —7, 308 — 27 
(0 et? Sr eee ree ges —5, 109 —6, 371 678 —7, 049 +114 —7, 163 +118 
Norma] equations 
5df-+3.423n—= +2 
3.428f-+5.218x= —24 
whence 
2.878%= —25 
su= —9., 
Hence deflection at the limb is 
1.757” —0.08’’ =1.677". 
