zoo THERMOMETRICAL JOURNAL. 
that he may enjoy the reputation to which he is juflly en» 
titled, | 
Tam with great réfpeat, ‘Sit 
Your moft obedient and 
Mott humble Servant, 
JONATHAN WILLIAMS, 
One of the Secretaries of the 
¢ American Philofophical Society. 
A Thermometrical Journal of the temperature of the atmo/~ 
phere and fea ona paffage from Philadelphia to Oporto 
athe Ship Apollo, by Captain William Billings. 
ee 
1791 | Placesinat Noon | ‘Temp. of 
Dates. | Time. : Motes. 
| Late. N.jLon. W. | Air.| Water. 
June 6. | Sunsrife. | 38 56 | 75 07: 61 Off Cape Henlopen.—N. B. The 
2P. M.} 38 38 | 74 28. 66 thermometerison Fahrenheit’sfcale 
‘| Sun fett. 65 66 and the longitude Weit from Lon- 
8 |10 A. M. 70 don.—The days are reckoned to 
Noon, | 37 18 | 72 34 4 75 4% begin at Noon and to end at the 
10 | Noon. | 38 03 | 68 494 73 a4 fucceeding noon accerding to the 
Ir | Noon. 38. 5t | 6S. 57.4 66 tok ulage of navigators. 
32 | Noon. | 39 02 | 63 22 } 71 71 June &th. at 10 A. M. being the 
34 | Noon. | 39 11 | 56 48 62 firft alteration in the heat of the 
THs} Noon. 1g 37.) FS. UAgi ay at 65 water after leaving the coaft it is 
From this date to the 2d July the variationsin 7 fuppofed we entered the gulph 
Sn heat of the fea water do not exceed two anf ftream, The courfe is not acrois, 
grees, they need not therefore be noticed. but rather alongthis current, fome= 
what diagonally however. 
65 | June roth atnoon itis fuppofed we 
arein the middle ofthegulph ftream. 
3 | Noon. |:40 05 | 13 23 | 68 64 Junea4th noon this fudden fall 
of 9? s ra be owing to 
, ‘| the influence of the banks of New- 
. mo z 
4ifategn ase B TO ae ee 5 foundland which bear about N. 
July 2d] Noon. | 40 16] 15 ga] 68 
512P.M: 68 63 July 4th the water appears to 
have changed colour. 
+P.M. ! 60 Land in fight, but frequently obe 
} {cured by fog. 
8 A.M. 57 Land diftant about 6 leagues. 
Noon. 55 Land diftant about 2 leagues be- 
ing the high land of Braganea nova 
A Thermometrical 
