66 



RECORD AND REDUCTION OF THE TIDES. 



Table for the Reduction of Tides. — No. 2. 



Showing the Interval between the App. Time of the Moon's Inferior Transit and the Time of Low 

 Water, and also the Heights of Low Water, at Van Rensselaer Harbor, from Four Series of 

 Observations made between October 10, 1853, to October 22, 1855. 



9 h to 10". 



Moon's 

 transit. 



App. time. 



H. 



U. 



Lunitidal 

 interval. 



L. water. 



Height of 



L. water. 



II 



M. Ft. Dec 



& -J 



10" to ll h . 



Moon's 

 transit. 



App. time 



M. 



Lunitidal 

 interval. 



L. water. 



H. M. 



Height of 

 L. water. 



Ft. Dec. 



IZilS 



ll h to 12\ 



Moon's Lunitidal 

 transit. , interval. 



App. time. L. water. 



H. M. Ft. 



Height of 

 L. water. 



Dec 



l-l 



37 

 23 



09 

 52 



33 

 06 



4:« 

 46 



37 

 53 

 07 

 54 



(i- 

 00 



ll] 



12 



11 



34 

 24 



:;i 



19 

 18 



17 

 18 



00 

 35 

 43 



II. 



III. 



06 



57 

 15 

 05 

 55 



32 

 19 

 43 

 38 

 07 

 55 

 15 



18 00 



19 09 



18 15 



17 01 



18 06 



17 -18 



II. 



II. 



III. 



III. 



IV. 



33 

 45 

 02 

 46 



IV. 







— 1 







IV. 



MEANS. 



18 

 18 



The highest value 21 h 00™ is re- 

 jected, hence new mean — 



9 30 19 00 



17 



29 



29 



18 



19 



20 

 20 



19 

 19 



The low value 15 h 50 m is rejected, 

 hence new mean — 



11 28 18 21 



18 



