ON THE SEICHES OF LOCH EARN. 

 XL Observation ivith an Index Limnograph. 



461 



Date. 

 1905. 



Staff. 

 Feet. 



T. 



Minutes. 



Limit of 

 Error. 



Sept. 2 



1-90 



1-36 



±•10 



XII. Observations with the Waggon Recorder near St Fillans {Picnic Point). 



Date. 



Staff. 



T. 



Number of 



1905. 



Feet. 



Minutes. 



Oscillations. 



Aug. 18 



1-90 



1-70 



50 



29 



2-22 



1:15 



11 



30 



2-20 



1-39 



84 



Sept. 3 



1-85 



2-88 



36 



XIII. Observations with the Sarasin, near E. Binode. 



Date. 



Staff. 



T. 



Number of 



1905. 



Feet. 



Minutes. 



Oscillations. 



Aug. 17 



1-70 



1-310 



124 



19 



2-25 



1-296 



121 



Sept. 4 



1-87 



1315 



100 



21 



1-90 



1-09 



20 



Weighted mean of first three T = 1311 

 XIV. Comparison of Calculation with Observation. 





T„by 



TV by 



T 



1 V 





H.T.S. 



Du Boys. 



observed. 



1 



14-50 



17-81 



14-52 



2 



8-14 



8-91 



8-09 



3 



5-74 



5 94 



6-01 



4 



4-28 



4-45 



3 99 



5 



3-62 



3-56 



3-48-3-60 



6 



2-93 



2-97 



2-88 



7 





2-55 





8 





2-23 



. . . 



9 



• • • 



1-98 





10 





1 78 



1-70? 



11 





1-62 





12 





1-48 



1-54? 



13 





1-37 



1-36? 



14 





1-27 



1-31? 



15 





119 



1 15? 



16 



... 



111 



1-09? 



17 



... 



1-05 





