The Curve.-Correct magnetic bearing S. 2° E.

Deviations.-4° W.; 7° W.; 12° W.; 18° W.; 3° E.; 22° E.; 15° E.; 1° E.
Compass courses.-N. 88° E.; N. 59° W.; S. 14° W.; S. 19° E.

Magnetic courses.-N. 56° W.; N. 871° W.; East; N.E.

Bearings, magnetic.-N. 67° W.; S. 843° W.

EXAMINATION PAPER.-No. V, pages 312-314.

1. 4838071 nat. no. 68876.5.

2.

2.826661 nat. no. 670905.

3. True Courses.-S. 65° E., 23' dep. course; S. 6° E., 56′; S. 14° W., 17′; N. 80° W., 13′; E., 37′; S. 49° W., 10; N. 26° E., 17′; S. 40° W., 21; N. 85° E., 48' current course. Diff. lat. 82'8 S., dep. 81'1 E.; course S. 44° E., dist. 116'. Lat. in 65° 25' S., diff. long.

190' E. Long. in 143° 31' E.

4.

Green. date, May 84 h 1m 88; red. decl. 17° 20′ 20′′ N.; true alt. 76° 14′ 11′′. Latitnde 3° 34′ 31" N.

5. Log, of diff. long. 21992876 = Diff. long. 983*7.

6. Diff. lat. 732' S.;

course S. 51° 15′ 27" W.;

mer. diff. lat. 881'; diff. long. 1098′ W.; log. tang. 10095626; distance 1169'6.

7. Standard, Greenock, constant oh 56m; 11h 35m A.M., and 11h 52m P.M.

Liverpool,

Sunderland,

Brest,

Dover,

Oh Im; 11h 42m A.M., and 11b 59m P.M. Ih 4m; 2h 42m A.M., and 2h 58m P.M. +2h 18m; 6h 26m A.M., and 6h 42m P.M. oh 27m; 11h 9m A.M., and 11h 27m P.M. 8. Green. date, May 20d 16h 6m 24o; red. decl. 20° 15′ 3′′ N.; true amp. E. 29° 49′ N. Error of compass 12° 22′ E. deviation 19° 28′ W.

9.

Interval 37d; rate 48 gaining; interval 50 21; acc. rate May 214 20h 59m 218; red. decl. 20° 29′ 22′′ N.; red. eq. time sub. 3m 335; true alt. 32° 19′ 31"; hour-angle 4h 17m 325-5; mean time at ship May 21d 19h 38m 54s. Longitude 20° 6' 45" W.

10. Green, date, May 25d 9h 53m 51°; red. decl. 21° 8' 27' N.; true alt. 40° 54′ 26′′; logs. 19'634762; true azimuth S. 82° 6′ 4′′ W. or N. 97° 53′ 56′′ W. Error 20° 36′ 4′′ E.; deviation 10° 6' 4" E.

II. Time from noon 25m 258; Green. date 10d 7h 54m 258;
alt. 43° 39′ 55′′; nat. no. 5152; mer. zen. dist. 45° 55′ 31" S.
METHOD II. + 24′ 35'.
Latitude 28 3 15" S.
Towson: Aug. I, + 6' 16'; index 63. Aug. II, +18′ 17′′.

12.

red. decl. 17° 52′ 21′′ N.; true Latitude 28° 3' 10" S.

Latitude 28° 3′ 11′′ S.

Star's decl. 10° 31′ 5′′ S.; zen. dist. 19° 53' 44" S. Latitude 30° 24′ 49′′ S.

The Curve.- Correct magnetic bearing N. 87° E.

Deviations. -3° W.; 15° W.; 23° W; 22° W.; 2° E.; 24° E.; 23° E.; 13° E.

Compass courses.-N. 45° E.; S. 714° W.; S. 49° E.; S. 39° W.

Magnetic courses.-N. 20° W; N. 46° E.; S. 76° E.; S. 61° W.
Bearings magnetic.-S. 8° E.; S. 85° W.

EXAMINATION PAPER.-No. VI, pages 314-315.

I. 0622110 nat. no. 4'189. (The product).

3. True Courses.-S. 73° E., 22'5 dep. course; S. 75° E., 17'; S. 33° E., 22′; S. 1° W., 24'; S. 61° E., 25'; N. 69° W., 18'; S. 43° W., 17'; N. 11° E., 16' current course. Diff. lat. 55'8 S., dep. 46'1 E.; course S. 391′ E., dist. 72}'. Lat. in 55° 16′ N.; diff. long. (Mercator) 82'9 E., long. in 134° 17' W. Diff. long. (by mid. lat.) 82' E., long. in 134° 18′ W. 4. Green. date, May 31d 17h 34m 528; red. decl. 22° 6′ 44′′ N.; true alt. 75° 49′ 26′′; Latitude 7° 56′ 9′′ N.

5. Log. of diff. long. 2'487692 — Diff. long. 307'4.

"

Harwich

Brest,

mer. diff. lat. 2301'; diff. long. 3038' W.; tangent course 10'120671; distance 3612'3.

oh

47m; corr. for long. +7m; 3h 9m A.M., 3h 28m P.M. 8. Green. date, June 21d 13h 34m 48; red. decl. 23° 27′ 19′′ N.; sine of true amp. 9.898987; true amp. 52° 25' N. Error 46° 1' W.; deviation 6° 29′ E.

9. Interval 29d; daily rate 883; interval 44 22; acc. rate 6m 139; Green. date June 13d 21h 45m 12; red. decl. 23° 18′ 12′′ N.; true alt. 28° 49′ 40′′; red. eq. time om 1a additive; hour-angle 3h 49m 6; mean time ship June 13d 27h 49m 78. Longitude 90° 58′ 45′′ E.

II.

10. Green. date, June 74 22h om 128; red. decl. 22° 54′ 18' N.: true alt. 31° 18′ 54′′; logs. 19.813501; true azimuth S. 107° 33' 48" E. Error 2° 26' 12" E.; deviation 17° 6′ 12′′ E. Time from noon 37m 268; Green. date, June 4d 14h 16m 28; red. decl. 22° 34′ 51′′ N.; true alt. 50° 3′ 22"; nat. no. 5776: mer. zen. dist. 39° 25′ 32′′ N. Lat. 62° o' 23" N. METHOD II.+31′ 18%. Latitude 62° o' 25" N. Towson: Beyond the limits of the Table.

12.

Star's decl. 28° 19′ 34′′ N.; true alt. 48° 33′ 45′′. Latitude 13° 6′ 41′′ S. The Curve. Correct magnetic bearing S. 79° W.

Deviations 12° W.; 0; 17° E.; 21° E.; 12° E.; 4° E.; 18° W.; 24° W.
Compass courses.-N.W. by N.; S. 70° W.; N. 274° E.; S. 1° E.
Magnetic courses.-N. W. by W.; S. 61° W.; S. 17° W.; S. 40° E.
Correct magnetic bearing.-N. 11° E.; N. 874° W.

EXAMINATION PAPER.-No. VII, pages 315-317.

1. 414182913862*1.

2. 2537818=345'0.

N. 62° W., 9' current Lat. in 49° 49′ N., diff.

3. True Courses.-S. 14° W., 17'; S. 68° E., 22′; S. 57° E., 7′; N. 53° W., 6′ ; S. 54° W., 26'; S. 61° E., 17'; S. 25° W., 27′; S. 42° E., 15'; S. 26' E., 18′; course. Diff. lat. 96'0 S., dep. 9'9 E.; course S. 6° E., dist. 96'. long. 16 E. Long. in 9° 13′ W.

4. Green. date, July 26d oh 49m 163; red. decl. 19° 19' 0" N.; true alt. 15° 46' 12'. Latitude 54° 54' 48" S.

5. Log. of diff. long. 2.633861

6. Diff. lat. 745' S.; mer. diff. lat. 1042'; diff. long. 1292' W.; log. tang. 10093395; course S. 51° 6' 50" W.; distance 1186'7:

oh 2m; gh gm A.M., 8h

Oh

-

34 P.M.

45m; 7h 26m A.M., 7h 51m P.M.
8h 6m A.M., 8h 31m P.M.

oh 5m;

ob 29m; 7h 42m A.M., 8h 7m P.M.

+33; 11h 14m A.M., 11h 39m P.M.

8. Green. date, July 12d 6h 36m 32o; red. decl. 21° 52′ 5′ N.; true amp. W. 25° 13′ N. Correction 5° 32′ E.; deviation 16° 52′ E.

9. Interval 84; rate 555 losing; interval 32d 22b; acc. rate +3 257; Green. date July 16 21h 58m 198; red. decl. 21° 7′ 57′′ N.; true alt. 13° 31' 23'; red. eq. time 5m 528 additive; hour-angle 3h 51m 38; mean time ship 16d 27h 57m 30s. Longitude 89° 47' 45" E.

10. Green. date, July 4d 1h 53m 22°; red. decl. 22° 50′ 12′′ N.; true alt. 12° 21′ 31'; sum of logs. 19:207424; true azimuth N. 47° 20' 50" E. Error 28° 4' 50' E.; deviation 10° 44′ 50′′ E. II. Time from noon 25m 20; Green. date July 30d 18h 52m 328; red. decl. 18° 11′ 31′′ N.; true alt. 26° 24′ 19′′; nat. no. 4c94; mer. zen. dist. 63° 19′ 57′′ S. Latitude 45° 8′ 26′′ S. METHOD II. 15'45". Latitude 45° 8' 32" S. Towson: Aug. I, + 6′ 17′′; index 63. Aug. II, Star's decl. 26° 9' 34' S.; true alt. 70° 5′ 46′′.

12.

DDD

9' 27". Latitude 45° 8′ 26′′ S.
Latitude 46° 3′ 48′′ S.

The Curve.-Correct magnetic bearing N. 89° W.

Deviations.-1° E.; 19° E.; 21° E.; 9° E.; 4° W.; 11° W.; 19° W.; 16° W.
Compass courses.-N. 51° E.; S. 814° E.; S. 2:1° W.; North.
Magnetic courses.-S. 70° W.; N. 6° E.; N. 8c E.; S. 33 E.

Bearings magnetic.—N. 75° E.; N. 66} E.

EXAMINATION PAPER-No. VIII, pages 317-318-319.

3. True Courses.—N. 59° E., 15′ dep. course; S. 20° E., 26′; N. 61° W., 27′; N. 70° W., 22'; S. 24° E., 25′; S. 29° E., 22'; N. 88° W., 43′; S. 19° W., 18′ current course. Diff. lat. 53'6 8; dep. 50''5 W.; course S. 43° W.; dist. 73. Latitute in o° 44′ S.; diff. long, 50' W. Longitude in 172° 59' E.

4. Green. date, Aug. 114 17h 51m 12; red. decl. 14° 53′ 15′′ N.; true alt. 42° 50′ 18′′. Latitude 32° 16′ 27 S.

5. Log. of diff. long. 2·805956 = Diff. long. 639′7.

6. Diff. lat. 421' N.; mer. diff. lat. 590'; d.ff. long. 249' E.; course N. 22° 52′ 53′′ E., distance 457' nearly.

8. Green. date, Aug. 20d 11h 10m 248; red. decl. 12° 6' 38′ N.; true amp. W. 16° 25′ N. Correction 27° 40' E.; deviation 8° 25′ E.

9. Interval 7; daily rate 6×6 losing; interval 16a 201b; acc. rate +1 518; Green. date, Aug. 6d 20h 32m 37; red. decl. 16° 18′ 58′′ N.; true alt. 24° 17′ 1'; red. eq. time 5m 298 additive; hour-angle 4h 25m 44; mean time ship 6d 28h 31m 135. Longitude 119° 39′ E. 10. Green. date, Aug. 198 20h 37m 41*; red. decl. 12° 18′ 45′′ N.; true alt. 17° 36′ 21′′; sum of logs. 19:060115; true azimuth N. 39° 37′ 6′′ W. Error 3° 3′ 21′′ W.; deviation 36° 53′ 21′′ W.

Raper: True alt. 17° 36′ 15′′; sine sq. logs. 9:060205 N. 39° 37′ 22′′ W. 3° 3′ 37′′ W.; deviation 36° 53′ 37′′ W.

II.

Error

Time from noon 35m 158; Green. date. August 1od 12h 55m 58; red decl. 15° 14′ 58 N.; true alt. 34° 48′ 15′′; nat. no. 8845'; mer. zen. dist. 54° 34′ 36 S.

Latitude 39° 19′ 38′′ S.

Latitude 37° 19′ 26′′ S.

The Curve.--Correct magnetic bearing S. 8° E.
Deviations.-4° E.; 2° E.; 14° W.; 17° W.; 4° W.; 9° E.; 12° E.; 8° E.
Compass courses.-N. 85° E.; S. 51° W.; N. 38° W.; S. 50° E.
Magnetic courses.-N. 32° W.; S. 85° W.; N. 1° W.; N. 864° W.
Bearings, magnetic.-S. 12° E.; S. 23° E.

EXAMINATION PAPER-No. IX, pages 319-320.

1. 7888411007734. (The product.)

2. 6854294 00071498. (The quotient.)

3. True Courses.-S. 89° E., zo' dep. course; S. 66° E, 41'2; S. 56° E., 49'8; S. 83° E., 42'6; S. 66 E, 32'7; S. 49° E, 267; S. 50 E.. 36'1; N. 85° E., 32′ current course. Diff. lat. 101'4 S.; dep. 125' 4 E.; course S. 68° E.; dist. 271'. Latitule in 52° 26' N.; diff. long. 420 E. Longitude in 6° 55′ E.

4.

Green. date, Sept. 22d 8h 15m; red. decl. 0° 3' 5" S.; true alt. 90° 1′ 49'. 0° 1' 16" S.

Latitude

6. Diff. lat. 3607' S.; mer. diff. lat. 3798'; diff. long. 4007' E.; tang. 10:023264; course S. 46° 32′ E.; distance 5243'.

7. Standard, Brest + 2h 59m ;

Brest 413; corr. for long.
Brest+47;

3h 17m A.M. and 3h 36m P.M.
A.M. and 4 56

P.M.

A.M. and 4 33

P.M.

S.; true amp.

W. 5′ 10′′ S.

14m; 4 17 - II 3 54 8. Green. date, September 3cd 6h 33m 40s; red. decl. 3° 8′ 32′′ Error 41' 44' W. Deviation 11° 16 W.

9. Interval 15d; rate 28.6 gains; interval 19d 15h; acc. rate om 515; Green. date, August 31d 15h 35m 8s; red. decl. 8° 12' 7" N.; red eq. time om 11 subtractive; true alt. 62° 25′ 7′′; hour-angle 1h 51m 34; mean time at ship, August 31d 25h 51m 238. Longitude 154° 3′ 45′′ E.

IO.

Deviation

Green. date, September 16d 1h 29m 54; red. decl. 2° 23′ 23′′ N.; true alt. 29° 41′ 59′′; sum of logs. 19700958; true azimuth S. 90° 15′ 48′′ E. Error 3° 35′ 48′′ W. 11° 55' 48" W.

11. Time from пoon 16" 41s; Green. date, September 22d 12h 27m 55; 0° 7′ 11′′ S.; true alt. 62° 9′ 19′′; nat. no. 2348; mer. zen. dist. 27° 33′ 19′′ S. 27° 40' 30" S.

Latitude 27° 40′ 23′′ S.
Latitude 16° 20′ 56′′ N.

METHOD II. + 17′ 32". Latitude 27° 40′ 27′′ S.
Towson: Aug. I, +1", index 35; Aug. II, +17' 29".
12. Star's decl. 19° 49′ 38 N.; true alt. 86° 31' 18".
The Curve.-Correct magnetic bearing S. 88° W.
Deviations.-2° E.; 20° E; 22° E.; 9° E.; 4° W.; 12° W.; 20° W.; 17° W.
Compass courses.- - West; N. 2° E.; N. 59° E.; S. 611⁄2° E.

Magnetic courses.-N. 22 E.; S. 17° W.; S. 57° E.; N. 72° E.

Bearings, magnetic.-S. 843° E.; N. 76° W.

1.

EXAMINATION PAPER-No. X, pages 320-321-322. 7'44721328003548. (The product.)

2. 193601086 30. (The quotient.)

red. decl. Latitude

3. True Courses.-S. 75° E., 36' dep. course; S. 8° E., 43′; S. 15° W., 19'; N. 69° E., 50'; N. 77° E., 21'; S. 5° E., 3'; S. 38' W., 3′; S. 51° E., 22'; N. 88° E., 48′ current course. Diff. lat. 65'2 S.; dep. 166'7 E.; course S. 691° E.; dist. 179'. Lat. in 58° 44′ N.; diff. long. 326 E. Long. in 38° 27′ W.

4. Green. date, Oct. 20d 10h 1m 40°; red. decl. 10° 43′ 13′′ S.; true alt. 50° 11′ 14′′. Lat. 50° 31′ 58′′ S.

Raper: True alt. 50° 11′ 9′′. Latitude 50° 32′ 3′′ S.

5. Log. of diff. long. 2019277 Diff long. 104°5.

6. Diff lat. 140' N.; mer. diff. lat. 1.42'; diff. long. 214' E.; tang. course 10'178126; course N. 56° 26' E.; distance 253′*2.

8. Green. date, Oct. 8d 11h 13m 488; red. decl. 6° 17′ 52" S.; true amp. E. 6° 39' 8" S. Error 9° 28′ E. Deviation 11° 18' E.

9. Interval 7d; rate 284 losing; interval 22d 12h; acc. rate om 54; Green. date, Oct. 30d 12h om 22°; red. decl. 14° 9′ 57′′ S.; true alt. 28' 42' 59"; hour-angle 2h 45m 63; red. eq. time 16m 179 subt.; mean time at ship, Oct. 30d 2h 28m 49. Longitude 142° 53′ 15' W.

10.

Green. date, Sept. 30d 18h 43m 48; red. decl. 3° 20′ 31′′ S.; true alt. 14° 7′ 3′′; sum of log. 19'692568; true azimuth N. 89° 9′ 42 W. Correction 4° 47′ 12" W. Deviation 12° 27′ 12" W.

II.

Time from noon 17m 85; Green. date Oct. 2d 1h 17m 88; red. decl. 3° 49′ 58′′ S.; alt. 47° 39′ 40′′; nat. no. 2190; mer. zen. dist. 42° 9′ 9′′ N. Latitude 38° 19' 11" N.

true

METHOD II.-Red.+ 11' 15"; lat. 38° 19' 7 N (Norie).; 38° 19' 16 N. (Raper). Towson: Aug. I, + 38%, index 36; Aug. II, + 10′ 28′′. Latitude 38° 19′ 16′′ N. 12. Star's decl. 14° 32′ 42′′ N.; true alt. 54° 6' 7". Latitude 50° 26' 35" N.

The Curve.-Correct magnetic bearing S. 38' W.

Deviations.-1° E.; 17° W.; 22° W.; 19° W.; 3° W.; 18 E.; 24 E.; 19° E.
Compass courses.-S.S.E. E.; E. by N. & N.; S. 9° W.; S. 72° E.

Magnetic courses.-S. 45° E.; S. 10° W.; N. 49° E.; North.

Bearings, magnetic.-N. 851° W.; N. 89° W.

EXAMINATION PAPER-No. XI, pages 322-323-324.

1. 2645548 442 128. (The product.)

2. 199948999'88. (The quotient.)

3.

True Courses.-S. 42° W., 16' dep. course; N. 14° E., 17'; S. 45° E., 19'; S. 87° W., 31'; S. 63° E., 17'; S. 5° E., 19'; S. 56° W., 25′; S. 88° E., 22'; current course. Diff lat. 51'8 S.; dep. 6'1 W.; course S. 7° W.; dist. 52'. Lat. in 51° 8' N.; diff. long. 10'. Longitude in 119° 50' E.

4. Green. date, Nov. 14d 18h 39m 16s; red. decl. 18° 36′ 25′′ S.; true alt. 67° 57′ 49′′. Latitude 40° 38′ 36′′ S.

5. Log. of diff. long. 2 294311=Diff. long. 196'9.

6. Diff. lat. 1928' N.; mer. diff. lat. 2383'; diff. long. 4290' E.; tangent course 10:255333; course N. 60° 57' E.; distance 3971'.

8. Green. date, November 9d 12h 20m 44; red. decl. 17° 12' 1" S.; true amp. E. 34° 9′ S. Correction 41° 47' W. Deviation 58° 17′ W.

9. Interval 12d; rate 12 losing; Interval 360 3h; acc. rate 432; Green. date, Nov. 30d 2h 48m 52; red. decl. 21° 47' 11" S.; red. cq. time 10m 54 subtractive; true alt. 39° 47′ 8′′; hour-angle 3h 42m 215; mean time ship Nov. 29d 20h 6m 453. Longitude 100° 31′ 45′′ W. 10. Green. date, Nov. 15d 10h 46m 278; red. decl. 18° 46′ 44′′ true alt. 43° 55' 7"; sum of logs. 197516742 true azimuth N. 69° 57′ 34′′ W., or S. 110° 2′ 26′′ S. Correction 11° 32′ 26′′ E. Deviation 19° 22' 26" E.

II. Time from noon 39m 26s; Green. date, November 13d 2h 36m 28; red. decl. 18° 10′ 35′′S.; true alt. 56° 11' 50"; nat. no. 8855; mer. zen. dist. 32° 52′ 45′′ S. Latitude 51° 3′ 20′′ S. Towson: Hour-angle exceeds limits of Table.

12.

Star's decl. 30° 16′ 35′′ S.; true alt. 59° 36′ 2′′.

The Curve.-Correct magnetic bearing S. 89° W.

Latitude 60° 40' 33" S.

Deviations.-1° E.; 19° E.; 21° E.; 9° E.; 3° W.; 11° W.; 19° W.; 16° W.

Compass courses.-N. 85° W.; N. 451° W.; N. 86° E; South.

Magnetic courses.-S. 77° W.; N. 58° W.; S. 49° E.; N. 56° E.

Bearings, magnetic.-S. 76° W.; S. 56° E.

EXAMINATION PAPER-No. XII, pages 324-325.

3. True Courses.-S. 45° W., 16' dep. course; N. 73° E., 15′; S. 49° W., 23′; S. 43° E.,

15'; N. 47° W., 24'; N. 80° E., 22'; S. 53° W., 25'8 S.; dep. 8' 2 W.; course S. 18° W.; dist, 27′. in 40° 13′ W.

12'; S. 14° E., 6' current course. Diff. lat. Lat. in 49° 34′ N.; diff. long, 13′ W. Long.