IN UPPER HINDUSTAN. 



149 



south, of the zenith. The telescope is an achro- 

 matic, made by Doll and, of twenty-eight inches 

 focal distance. It inverts the object, and magni- 

 fies eighty times. 



The watch is made by Brookbank, with hori- 

 zon balance wheel, and continues to go while 

 winding up. To determine, as accurately as pos- 

 sible, the time of an observation, I took equal al- 

 titudes of the sun, on the days preceding and fol- 

 lowing it, and, having thus found the quantity 

 gained or lost in twenty-four hours, applied to the 

 time of observation a part proportional to its dis- 

 tance from the preceding or following noon. In 

 this calculation, allowance was made for the dif- 

 ference of longitude (ascertained by geometrical 

 surveys) if the altitudes on the two days were taken 

 at different places. Besides this I have, when I 

 had the opportunity, taken the altitudes of two 

 fixed stars, one to the east, and another to the west 

 of the meridian, within an hour before or after the 

 observation, and calculated the time from them. 



OBSERVATIONS of LATITUDE. 



1791. 



May 24 



Nov. 1 

 24 



*5 



26 



2S 



Dec. 4 



PLACE. 



I S: ' r > or 1 Latitude. \ REMARKS. 

 Star. 



Agra j monument ot'Taj Maul, 



Ditto, 

 LucnoWf Mi\Ta y { ok's Hou«e, 

 Futtehgurh; Mr. Phillips's 

 Bungalow, near the centre 

 of cantonments, 

 Ditto, 

 Ditto, 

 Ditto, 

 Gureiab villugf, bearing N \ E 

 \ mi!e. 

 Ditto, 



an 

 o 



o 



o 

 o 

 o 



©' 



o 



11 10 co doubtful 

 127 10 11 distinct 

 26 51 9 clear 



,27 21 



5 cloudy 



27 21 54 clear 

 127 22 46 do 

 J27 21 44 do 



•2-j 28 42' do 



2 7 Id II id 



