76 SURVEY OF MASSACHUSETTS. 
Plymouth, (Court House.) For the Latitude. 
1830, Dec, 5 altitudes of © gave - - . : - - 41° 57’ 26.6 
1831, Sept. 1 #6 diodes - : - . - - - 25 ,0 
Oct. }- & “oe - . - - - - 33 .5 
‘i 6s 1 66 66 66 er e: a ie oa 4 = 26 8 
a “ 6 6 et ‘< % a é “ ‘ O72 
a 1832, Sept. He * oes - - - . - - 28 .9 
“ 2 “ ttt iw ‘ F F é ‘. SI 7 
4 66 13 66 oer . ‘ * # a 3 a 26 .7 
‘l 77 19 66 666 ee « ° a ms . Sr yl 
d 1835, April, 24 “ # Urse Minoris gave - - - - - 32 .1 
“ 16 “ a m oe - - - - 22 4 
‘ te 20 “ o Urse Minoris ‘ . . * s « 32 .6 
i 2 wos >t : : ‘ ‘ ; 24 5 
q be 3 ‘6 46 66 io « « « 31..4 
| 1837, May, i 4 * et A - - - . 27 4 
q ‘“ iM Uk a Urse Minoris “ . - - - « 27 .6 
i 111 altitudes of © and Southern Stars, - - - : 27 .05 
/ 58 #8 is Northern ‘ “ . 5, = 31 .18 
Mean of 169 observations, - - - - - 41° 57’ 28.5 
Plymouth, (Court House.) For the Longitude. 
1832, Sept. By 2 chronometers east of State House, - * . ‘ 1m 354,41 
“ 2 ‘“ 66 “6 “ * “ - - 33 .60 
1835, April. 3 «“ “ “6 : . . - 33 .46 
“6 3 66 66 66 66 é * - ° 33 .40 
June, 4 e “6 us “ - - - . 34 .57 
July, 4. 66 66 66 66 i. a . oa 85.18 : 
1837, May, 4 6c «“ “ 6c . . a ‘“ 835 .54 ' 
June, 3 “ ie bi As - - - - 35 .36 
July, 4 ine Le _ Us - - - - 35 .52 | 
“ 4 bs 66s 66 66 . ‘% e * 34 .63 
Mean of 33 chronometers, - - - - - —1 34.76 
By 33 chronometers compared with the State House, - - —— 1™ 345,76 
Or, from Greenwich, - - - - - - - 442 41.84 
Portsmouth, N. H., (Stone Church, Mr. Peabody’s.) For the Latitude, 
1836, July, 10 altitudes of « Urse Minoris gave - - - - - 43° 4’ 38.8 
“ . « « Aquila “ - - - - - 30 .2 
1837, Aug. 10 - a Urse Minoris “ - < - - - 84 2 
6 8 « a Aquile A - - - _ . 34 .9 
17 altitudes of Southern Stars, - - - - - 32 .41 
20 “ Northern, - - - - . - 36 .50 
Mean of 37 observations, - - “ is ‘ 43° 4’ 34.6 
Portsmouth, N. H., (Unitarian, or Stone Church.) For the Longitude. 
1836, July, By 3 chronometers east of the State House, - _ . - 1™ 139.70 
| ‘ 3 “és 66 “6 “a 66 ~ - - - 12 a9 
4 1837, Aug. 4 ° : ° . 13 .42 
Mean of 10 chronometers, - - - : s —1 13.19 
