154 



U. S. COAST AND GEODETIC SURVEY. 



should be increased by 360° before taking the difference, which may 

 be either positive or negative. 



In computing column (8) it will be noted that the corrected log 

 B's of Ki and Sj are to be used in inferring other components depend- 

 ing upon these. 



Form. 4Aa 



OEPARTIIENT OF COMMERCE 

 U. S- COAST AND eEOOmc SURVEY 



TIDES I /?, X, AND r, FROM ANALYSIS AND INFERENCE. 



Stalioh ....Mri?Px...Q.ali?.9.??ji.a _ 



Length of Seriea 163 days. Series begins ...1?19 ,...iFeTjnjitr3r . 13^ 



SEMIDIURNAL COMPONENTS. 



Fig. 31. 



Computed 6y.J.<LAj.4ii§r.fc,lftlu2a.I321 

 Duplicated by I(iL£%131SBay.,Sa1L23.,1921 



Form 245, elimination of component effects (fig. 32). — This form is 

 based upon formulas (409) and (410). One side of the form is 

 designed for the elimination of the effects of the diurnal components 

 upon each other and the other side for use with the semidiurnal 

 components, the two sides being similar except for the listing of the 

 components. 



