- 28 ^ 



range and 15?^ in phase progress due to neglect of the longer period 



2/ 



terms. The M^ and 1^ constituents were partly accounted for in 

 rate adjustment of the 0^^ and ^iPi drums. 



2/^--± = lunar declinational diurnal constituent, speed = 15°»04l/m.s. hr. 



Oi = " " " " , speed = 13°.943/m.s. hr. 



?l = solar " " " , speed = 14°.959/m.s. hr. 



Q2^_=_a_lunar_diurnal_constituenb ^ speed _= 13£.2.92/si»s.__hr. 



M2 = principal lunar semidiurnal constituent, speed = 28°.984/ni.s. hr. 



S2 = principal solar semidiurnal constituent, speed t= 30°.000/m.s. hr. 



N2 = larger lunar elliptic " " , speed = 28°.440/m.s. hr. 



K2_=_luni-£olar declinational semidiurnal ^ j_ speed = 10£.082/m.s_.__hr. 



Mf = lunar fortnightly constituent , speed = l°.098/m,s. hr. 



14, e lunar monthly harmonic constituent , speed «= Oo,544/m,s. hr. 



