P.—No. 5.

On Great Circle for Distance.—Sydney to Tahiti Islands. Sydney ... Lat. 33° 52' S., Long. 151° 14' E. Tahiti Islands, Lat 17° 29' S., Long. 149° 29' W. Lat. 33' 52 = Co. Lat. 56° 08' and Lat. 17° 29' = Co. Lat. 72° 31. Long. 151° 14' E. to Long. 149° 29' W. = | diff. Long. 29° 38' 30". i diff. Long. 29° 38' 30" ... Sin. 9-6942313 Sin. 3 19-3884626 Co. Lat. Sin 99794593 Co. Lat. Sin 9-9192542 2)39-2871762 19-6435880 19-6435880 \ diff. of Co. Lat. Sin. ... 9-1537691 72° 342" Tang. ... 104898189 ... Sin. 9-9783579 27° 3324" 9-6652301 Distance, 3,307 miles = 55° 6' 48" Great Circle for Course.—Sydney to Tahiti. (See Diagram No. 4.) 55° 648" ... 9-91398 008602 0-08603 59° 17' ... 993435 993435 72° 31' ... 997946 991925 S. 88° 28' E. ... 999983 S. 60° 29' W. ... 9-93963 Course from Course from Sydney to Tahiti. Tahiti to Sydney. On Great Circle for Distance. —Auckland to San Francisco. Auckland ... Lat. 36° 50' S., Long. 174° 49' E. San Francisco, Lat. 37° 48' N, Long. 122° 24' W. Lat. 36° 50' = Co. Lat. 126° 50' and Lat. 37° 48' = 52° 12' Co. Lat. Long. 174° 49' E. to Long. 122° 24' W. = \ diff. Long. 31° 23' 30". | diff. Long. Sin. ... 9-7167423 Sin. 2 19-4334846 Co. Lat. Sin. ... 9-9032977 Co. Lat. Sin. ... 9-8977123 2)39-2344946 19-6172473 19-6172473 | diff. Co. Lat. Sin. 9-7826301 Tang. 9-8346172 ... Sin. 97514167 47° 1431" 9.8658306 Distance, 5,669 miles = 94° 29' 2" Great Circle for Course. —Auckland to San Francisco. (See Diagram No. 5.) 94° 29' ... 00013309 , 0-0013309 62" 47' ... 9-9490402 9-9490402 52° 12' ... 98977123 ... 126° 50' ...99032977 N. 44°49'E. ... 9-8480834 3. 45° S3'W. ...9-8536688 Course from Course from Auckland to San Francisco. San Francisco to Auckland.

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