HARMO]!iriC ANALYSIS AN^D PEEDICTIOlir OF TIDES. 



155 



The symbol A represents the component to be cleared, and the 

 symbol B is the general designation for the disturbing components. 

 The symbol applying to component A is to be crossed out in column 

 (1) and entered in column (8). The values for items (9) and (19) 

 are to be taken from colunms (1) and (2) of Form 452. 



The "table" in the headings of colunms (2), (3), and (4) refers to 

 Table 29 in this publication. For column (2) it will be found con- 

 venient to copy the logarithms of the R's of B from column (8) of 



. Vona aiS 



.DEPARTMENT OF COMMERCE 

 COAST AND GEOOEnC SURVrV 



TIDES: ELIMINATION OF COMPONENT EFFECTS 

 Station Morrg, Callfnmliv 



ZmgOt ofteria lEH- 



Seria txgini __i9la^_.._Eei. 13,.. 



• i r or aO Is in the 1st qtadrant vben (A) Is + and (10) Is +. 

 ircrCM)fslntba 2d qoadnntTh&n (6) is + and (10) is — . 

 S f or (M) is In tho 3d quadianC wli£n (S) Is - and ( 10) is - . 

 • t or (U) Is In tin till qdadrut Then (« I3 - and (10)1 s +. 



,£fill.^2e,19a. 



Computed by L._A^.J^?.?t.. 



"-- ' Verified by __JiJPlJ.f.?5!Ly , JL..JLJ: 



(DM.) 



Fig. 32. 



Form 452 on a horizontal strip of paper spaced the same as Table 29. 

 Applying this strip successively to the upper line of the tabular values 

 for each component the logarithms of the resulting products for 

 column (2) may be readily obtained. Similarly, for column (4) , the 

 f 's of^5|from column (6) of Form 452 may be copied on a strip of 

 paper and applied to the bottom line of the tabular values for each 

 component and the differences obtained. 



|.«*The natural numbers for column (3) corresponding to the loga- 

 rithms in colimin (2) can usually be obtained most expeditiously 



72934— 24t 11 



