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Page 6, line 13 from top, supply “he must be able to find the bearing and distance

of the port bound to, by Mercator's Method.” 30, Ex. 13, index of log. of product should be 6. 32, Ex. 7, for '003010, read .030 10. 39, line 11 from bottom, for “to find the log. sine of 120° 24',” read 110° 24'. 65, Ex. 2, for S.W. I W., read S.E. E. 176, for magnetic azimuth S. 92° 30' O" E., read N. 92° 30' o' E.

184, Latitude by Raper mark S. instead of N. , 189, Ex. 4, mark observed altitude N. instead of S.

226, Ex. 5, for Ushant, read La Heve. 277, Ushant, for N.E. point of Island, read S.W. The light on N.E. end is a

fixed light as before. „ 316, Ex. 2, division by logarithms, for 96'14, read 96:16. Ex. 8,

for 14:66, read 12-35.
„ 324, Ex. 3, for il 49m P.M., read ih 47m P.M.
„ 324, Ex. 13, the A.M. tide should be 11h 25m, and the P.M. tide 11h 50m.
» 327, Ex. 5, bottom line, log. of diff. long. should be 2'232899, and diff. long. 1710.

47, line 7 from bottom of page, for 50°, read 45°.
66, Ex. 17, for off S.W. by W., read off S.W. by S.
79, first line from bottom, for 22:6, read 226.
121, Ex. 2, the red. decl. should be 20° 7' 31" N.

141, Ex. 18, for long 12° 52' W., read 40° 43' W.
» 145, line 6 from top, on the right hand, for 8th, 13 33m, read 8th, 13b 11m.
» 159, Ex. 6, for decl. 23° 1' 55" N., read 23° 1' 55" Š.



, 318, mid. lat., Ex. 3, for 1 201, read 2:10).
, 318, long, in, Ex. 12, the correct answer is 92° 9' E.
“; 322, first line from bottom, Ex. 11, for 14° 17' 14", read 14° 16' 59".
, 331, Paper VIII, No. 3, for dist. 35-4, read 43.
, 332, first line for Aug. 19d 20h 37m 399, read 19d 20h 37m 41'.

332, Ex. 11, mark decl. N. instead of S.
334, Paper XII, Ex. 3, lat. in should be 49° 35'5 N., diff. long. 13', and long.

in 40° 13' W.
„ 334, Paper XII, Ex. 10, for variation 6° 18' 29" E., read 7° 18' 29" E.
, 334, Paper XIII, the answer given is that for another question. Substitute the

following: Green. date 170 215 21m 54%; red. decl. 10° 53' 29" N.; true
alt. 38° 22' 36" ; red. eq. time sub. om 438 ; hour angle 2h 40m 36°; long.

0° 48' 15" W.
336, Ex. 7, for 9h 3m P.M., read 9b 30m P.M.
„ 337, English and Bristol Channels, Ex. 10, for dist. 16, road 21.

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» 206, for







Notices of Examinations of Masters and Mates

Places and Days of Examination

Fees to be paid by Applicants for Examination

Qualifications for Certificates of Competency for Foreign-going Ships

Qualifications for Certificates of Competency for Home-trade Passenger Ships

Exercises in the Simple Rules of Arithmetic

On Logarithms ..

Multiplication by Logarithms

Division by Logarithms

Tables of Natural Sines, &c.

Tables of Logarithmic Sines, &c.

Navigation-Definitions, &c.

To Find the Difference of Latitude of two places given ..

On Finding the Meridional Difference of Latitude

The Latitude left and Difference of Latitude, to Find the Latitude in..

On Finding the Middle Latitude

On Finding the Difference of Longitude of two places

The Longitude left and Difference of Longitude, to Find the Longitude in

Correcting Courses—Leeway


Variation and Leeway

Local Deviation

On the Traverse Table

Traverse Sailing

The Conversion of Departure into Longitude by Parallel Sailing

Middle Latitude Sailing

Mercator's Sailing

The Day's Work

The Conversion of Civil into Astronomical Time

The Conversion of Longitude into Time

The Conversion of Time into Longitude

On Finding the Greenwich Date

To Reduce the Sun's Declination

To Reduce the Equation of Time

Correction of the Sun's Observed Altitude

To Find the Latitude by Sun's Meridian Altitude

On Finding the Variation by an Amplitude

On Finding the Time of High Water, Method I

Admiralty Tide Tables

Method III ..

On Finding the Greenwich Date by Chronometer

To Find the Hour-angle ..






Established in pursuance of the Mercantile Shipping Act, 1854 ;



UNDER the provisions of the Merchant Shipping Act, 1854, (17 and 18 Vict., C. 104, ss. 136—161,) no Foreign-going Ship* or Home Trade Passenger Shipt can obtain a clearance or transire, or legally proceed to sea, from any port in the United Kingdom, unless the Master thereof, and in the case of a Foreign-going Ship, the First and Second Mates or Only Mate (as the case may be), and in the case of a Home Trade Passenger Ship, the First or Only Mate (as the case may be), have obtained and possess VALID CERTIFICATES, either of COMPETENCY or SERVICE, appropriate to their several stations in such ship, or of a higher grade; and no such ship, if of one hundred tons burden, or upwards, can legally proceed to sea unless at least one Officer besides the Master has obtained and possesses a ralid Certificate, appropriate to the grade of Only Mate therein, or to a higher grade; and every person who,

* By a Foreign-going Ship is meant one which is bound to some place out of the United Kingdom, beyond the limits included between the river Elbe and the harbour of Brest.

† By a Home Trade Passenger Ship is meant any Home Trade Ship employed in carrying passengers; and it is to be observed that Foreign Steam Ships, when employed in carrying Passengers between places in the United Kingdom, are subject to all the provisions of the Act, as regards Certificates of Masters and Mates, to which British Steam Ships are subject (s. 291).


having been engaged to serve as Master, or as First, or Second, or Only Mate of any Foreign-going Ship, or as Master, or First or Only Mate of a Home Trade Passenger Ship, goes to sea as such Master or Mate, without being at the time entitled to and possessed of such Certificate as the Act requires, or who employs any person as Master, or First, or Second, or Only Mate of any Foreign-going Ship, or as Master, or First, or Only Mate of any Home Trade Passenger Ship, without ascertaining that he is at the time entitled to and possessed of such Certificate, for each offence incurs a penalty not exceeding Fifty Pounds.

Every Certificate of Competency for a Foreign-going Ship is to be deemed to be of a higher grade than the corresponding Certificate for a Home Trade Passenger Ship, and entitles the lawful holder to go to sea in the corresponding grade in such last-mentioned ship : but no Certificate for a Home Trade Passenger Ship entitles the holder to go to sea as Master or Mate of a Foreign-going Ship.

A Certificate of Service entitles an Officer, who has already served as either Master or Mate in a British Foreign-going Ship before the ist January, 1851, or as Master or Mate in a Home Trade Passenger Ship before the ist January, 1854, to serve in those capacities again; and it also entitles an Officer who has attained, or attains the rank of Lieutenant, Master, passed Mate or Second Master, or any higher rank in the Service of Her Majesty, or of the East India Company, to serve as Master of a British Merchant Ship, and may be had by application to the Registrar-General of Seamen, Adelaide Place, London, or to any Shipping Master in the Out-Ports, on the transmission and verification of the necessary Certificates and Testimonials. Certificates of Competency will be granted to those persons


pass the requisite Examinations, and otherwise comply with the requisite conditions. For this purpose Examiners have been appointed under the Local Marine Boards, and arrangements have been made for holding the examinations at the under-mentioned ports, upon the days specified against them; and these days are so arranged for general convenience, that a candidate wishing to proceed to sea, and missing the day at his own port, may proceed to another port where an examination is coming forward.

The days for commencing the Examinations at the various Ports are as follow :

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