Electro astronomical atlas ... with explanatory notes, questions and answers (1874)
Spoor, J. W. (Joseph W.) · Albany, N.Y., Weed, Parsons and Company · leaf 84
A. Two.Q. What is the greatestnumber possible ?A. It is seven. Fig. 33.PROGRESS of a central eclipse. 50 ELECTRO-ASTRONOMICAL ATLAS. … The Tides.It is well knownthat twice a day atan interval of 12hours and 25 min-utes the shores ofthe ocean present uswith the spectacle ofthe flow of the tide.The tide by degreesrises, gaining on thebeach, which itcovers to a greater Q. What phenomenon results mainly from thethe influence of the…
Astronomy
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