\TpJ&*y_ from Mean, 



Phil.Mag.S.4-VoL48.H.IV. 



j, is supposed to revolve in the circle A.E.B, W in 24 

 mie mean velocity each 24 hours,)*is retarded and 

 tie exact lunar hours marked, but within thes» 

 tical. 



ide. 



below the speed of the earth — basin holding it, 

 \fB&& rfv^i/Jif&^ft^ rotation) or ebb tide shown in E. B. and W. A. 

 Jd. JI. \ flowing tide as in A, E. and B. W. Fig. 4 plate IV. 



in alternate directions, the real mean velocity 



one direction, and only difference of speed is 



ig from one to the other only can estimate the 



America, for there the ebb tide is in the direction 



ic water and a flowing tide before it (propulsion I 



jsent, jointly attracted by M i. M n, attraction 

 JiyJtcW fhvKt 2toorvx&' The resultant motion of the particle P n. is 

 Jbjf JJf e P. iv is in a contrary direction, because the* 



tugh the Earth, deflected by meeting the curved 

 h accelerates the ocean in the direction of B to W. 



of E to B, and the force M. iv being deflected 

 ;o P. viii and retards water in the quadrant W A. 



3 slack tide at low and high water. 



nvRm fiwrvMcerv 



ie Earth deflecting attraction rays at various 



f C, Fig. 4, plate rv supposed when revolving 



accelerated above 1 1 *3 per minute back to that 

 water for convenience. 1 omit the action of 



