224 



SIE DAVID BREWSTER 



1841, October 23. — Rainy day; cleared up at ^^ p.m. 



Mean Time. 

 4h 21m 



27 

 30 

 39 

 45 

 53 



1841, November 2. 



Mean Time. 

 4h 50m 



R= Maximum 



Polarisation. 



He 



ight of Neutral Point above 



1 Zenith. 



In Horizon. 





the Antisolar Point. 



17° 33' 



27r 



25^° 





15 35 



... 



... 





14 30 



15 13 



26 



251 





14 22 



15 53 



Height of Neutral Point above 

 the Antisolar Point. 



14° 51' 



1841 , November 4. — Barom. 30-2. Foggy day; sky tolerably free from clouds. 



Height of Neutral Point above 

 the Antisolar Point. 



Mean Time. 

 3h 13m 



4 9 

 4 14 



1841, November 25.— Barom. 29-63 



Apparent Time. 



lO'' 31™ P.M. 

 12 9 „ 

 12 26 „ 



2 24 „ 



3 10 „ 



1842, January 29. — Barom. 29 93. Fine day; clear sky; snow covers the 

 ground partially. 



. . ~. R=Maximum Polarisation. Height of Neutral Point above 



"" ■ In Zenith. In Horizon. the Antisolar Point. 





14° 4' 





19 





17 48 



1. 29-63. 



Splendid day. 



R= Maximum Polarisation. Height of Neutral Point above 



Zenith. 



In Horizon. the Antisolar Point. 





3° 20' 



27|° 



251° 6 24 





12 5 



28J 



26J 13 47 



... 



16 35 



S^ 32™ 



3 53 



4 8 



27° 



21^ 



16° 



35' 



17 



38 



17 



51 



1842, February 15. — Rain in morning, then a fine day. 



R=:Maximum Polarisation. 

 In Zenith. In Horizon. 



Height of Neutral Point above 

 the Antisolar Point. 



Apparent Time. 



4h 25™ 

 4 44 

 4 55 



At this hour clouds rose in the S., N , and N.E. horizon ; a dark band of distant 

 haze 6° or 8° hiofh rose above the sea horizon. 



... 



21° 



58' 



... 



20 



24 



221° in s.E. Hor. 



20 



30 



1842, February 21. — Fine day ; wind west. 



Apparent Time. 

 4h 35m 

 5 8 



Height of Neutral Point above 

 the Antisolar Point. 



18° 57' 

 18 32 



1842, March 2. — A wet day ; the place of the sun was seen only as a white 

 spot. The polarisation everywhere feeble. 



