James Fitzjames à Edward Sabine [juillet] (1845)

Tableau des lectures du magnétisme terrestre

Date 1845	Position lat	Position long	Heure	Méthode d’observation	Déviation observée vrai nord	Direction du navire	Trajectoires	Commentaires
1^er juillet	Nord 67.13	Ouest 54.23	12.47 PM	Auguille N	38.29.7	NE/E/4E	44.5	Vents légers
" "	" "	" "		" S	38.16.1	-"	"	Temps mauvais et brumeux
" "	" "	" "	à	N magnétique	31.19.7	-"	"	Table très stable
" "	" "	" "		" N+S	40.37.3	-"	"	Bonne gouverne
" "	" "	" "	1.45	" S	17.37.6	-"	"
" 4	Chaloupe	à l’arrêt	11.5 AM	Aiguille N	38.27	Franc ouest 38.21.2	58
" "	pendant	le réglage de la voilure
" "	68.59.13	53.12.56		" S	38.16.6	38.13.9	"
" "	" "	" "		N magnétique	31.16.2	31.18.8	"
" "	" "	" "		" S	17.18.2	17.20	"
" "	" "	" "		" N+S	40.42.5	40.40.7	"
" "	" "	" "		Radius 1	10.21.5	10.12.3	"
" "	" "	" "		" 1 1/2	15.40	15.32.2	"
" "	" "	" "		" 2	20.59.7	21.0.6	"
" "	" "	" "		" 2 1/2	26.38.4	26.41.8	"
" "	" "	" "		" 3	32.39.9	32.47.3	"