458 



PROFESSOR CHRYSTAL 



II. Observations with the Waggon Recorder near St Fillans (Picnic Point). 



Date 



Staff. 



T x - 



Number of 



1905. 



Feet. 



Minutes. 



Oscillations. 



Aug. 11 



2-07 



14-64 



41 



13 



1-95 



14-30 



19 



14 



1-88 



14-54 



15 



14 



1-88 



14-60 



39 



15 



1-82 



1467 



10 



15 



1-82 



14-56 



46 



16 



1-78 



14-57 



57 



17 



1-72 



1447 



49 



18 



1-80 



14-50 



76 



20 



2-27 



14-55 



65 



21 



2-20 



14-64 



15 



22 



230 



14 57 



45 



25 



2-25 



1456 



72 



Sept. 2 



1-90 



14-58 



38 



3 



1-85 



14-63 



40 



5 



1-83 



1454 



71 



6 



1-80 



14-45 



40 



17 



2-80 



14-49 



30 



18 



2-48 



14-45 



36 



18 



2-48 



1447 



66 



18 



2-16 



14-47 



14 



18 



2-16 



14-55 



30 



18 



2-16 



14-53 



44 



20 



2-00 



14-37 



27£ 



23 



1-82 



14-52 



24 



23-27 



1-82-1-65 



14-52 



375 



24 



1-80 



14-53 



79 



25 



1-76 



14-50 



95 



26 



1-70 



14-53 



100 



27 



1-66 



14-52 



101 



Weighted mean T l = 14-529. 



III. Observations with the Sarasin (at low speed) near the E. Binode. 



Date. 



Staff. 



T v 



Number of 



1905. 



Feet. 



Minutes. 



Oscillations. 



Aug. 6 



2-25 



14-56 



41 



7 



2-25 



14-47 



42 



7 



2-25 



14-51 



83 



8 



2-15 



14-52 



75 



9 



2-10 



14-53 



75 



20 



2-30 



14-62 



48 



22 



2-40 



1451 



56 



22 



2-40 



14-45 



74 



24 



2-32 



14-54 



118 



Sept. 1 



2-07 



14-55 



30 



3 



1-85 



14-52 



50 



4 



1-87 



14-53 



95 



24 



1 80 



14-55 



64 



25 



1-76 



1449 



106 



26 



1-70 



14-54 



100 



23-26 



1-82-1-68 



14-52 



270 



27 



1-66 



14-51 



93 



Weighted mean Tj = 1 4-524. 



