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Log

PagePlateClassObjectR.A.DecStartObs H.A.Obs DecStopExpDateMiscellaneous
60Jan 01 1895See next page 62. Set telescope on α Lyrae about 1 P.M. Put in temporary lens board carrying 1/2 eyepiece so as to view star through 11-inch. Brought star to center of lens in space between times thus [[image]] at 20 46 Load 3.6 20 50 HA = 2 15 W RA of α Lyrae 18 33 / 20 48. Therefore HA reads 2m too little. Observed an oscillation of image eyepiece, which has a period practically identical with revolution of worm. At 20 59 control clock stopped. 21 10 Reset on cross wires. 21 52 Stopped. Image had gotten off by about 4 beats of armature.