SURVEY OF MASSACHUSETTS. 73 
Longitude by 28 chronometers compared with State House, - - — 455,49 
66 18 66 ts Salem, “ - 45.41 
Mean of 46 chronometers, - - - - - - — 45 .46 
Or, from Greenwich, - “ - - - - 4 43 31 14 
Northampton, (First Congregational Church.) For the Latitude. 
The Mansion House, the place where the following observations were made, being 
3’’.39 south of the church, that quantity must be constantly added. 
1832, Oct. 15 altitudes of © gave - - - . - - “ @2° iv <77 
1833, June, 6 “ a NM gave - - - - - a 2.9 
Oct. 7 6 Ceti gave - - - - - - 5.8 
66 8 66 (3) 66 C « . « o « 0.0 
“6 6 6 a Canis Majoris gave - “ m « A 0.2 
i Ue ok 0) $s . - - . 3.5 
Dec. 14 6s “ 66 - - . : “ 2.3 
66 6 66 66 ‘cc ms ra bs 11.2 
66 20 66 66 66 . ‘ > a * 6.3 
a Il we oa Urse Minoris - - - « 5 .8 
6é 33 “ce 6é 6é “e m “« . se a 2 5 
66 19 66 © 66 ee a a = 8.4 
i 4 “6 6 Urse Minoris ‘ - - * - . 2.0 
oD a. « Urse Minoris « - - - - 5 6 
6 20 6“ ro) 6 : . “| = - 9 .6 
ff 15 : o Urse Minoris ** “ : : - 5 .2 
66 Q1 66 (3) 66 a . ~ = < 2.6 
1834, July, 12 ve a Aquilae “ . . 4.4 
a igo © a Urse Minoris * ° - “ F - 3.6 
Aug. 5 & 6 Urs Minoris *€ - . 4 ‘ 8.0 
6 12 ch a Urse Minoris * - . - - . 6.5 
66 8 66 B Ceti 66 x * < at 13 
" 10 - a Urse Minoris ‘ - « . “ . 8 7 
6é 12 6s 66 6é ee . oe se fe 2 ma!) 
1836, Sept. 10 | 7 Dy “ - « . . . 7 2 
uy 10 " a Aquila be - - . . 8 .6 
182 altitudes of © and Southern Stars, - . - - 4 .72 
145 " od Northern, - : _ ¥ 4 .52 
827 Latitude of Mansion House, - - «. 42° 19' 47.62 
Add reduction to church, - - - 3 .39 
Mean of 327 observations, latitude of church, - - - - 42° 19’ 8”.0 
Northampton, (First Congregational Church.) For the Longitude. 
The Mansion House being 0°.92 west of the church, that quantity must be constantly 
added, to reduce the observations to the meridian of the church. 
1832, Oct. By 2 chronometers west of the State House, - - - 6m 175,80 
1833, June, 2 tb “ “ “ “ “ “ . 19 .05 
July, 2 “ “ “ 46 6 . = . 17 .87 
Dec, 3 66 ‘6 6 ‘“ 6 < - - - 17 .68 : 
1834, July, 2 66 «6 “ “ “ « - - 18 .82 
VOL. IX.—22 
