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DEVOTED TO EVERYTHING AND EVERY | INTEREST CONNECTED OR ASSO- CIATED WITH MARINE MATTERS _ON THE FACE OF THE EARTH. , f Published avery Thursday by The Penton Publishing Co. S CLEVELAND. > BUFFALO) ...... bea ers 6 932 Ellicott Sq. CHICAGO ............ 1362 Monadnock Blk. CINCINNATI ss+ee+6 124 Government Place. NEW YORK Rina ee 1005 West Street Bldg. PITTSBURG ....05 Seneca 521. Park Bldg. TOT PE ss Saree cae o's 5 411 Providence Bldg. : Correspondence on Marine Engineering, Ship Building and Shipping Subjects: Solicited. 'Subscription, v. S.. and iMesicg. $3.00 per annum. - Canada, $4.00. - Foreign,- $4.50. Subscribers can have adéresses changed at will, Change of. ivertisinw | copy must cath this office on 'Thursday. preceding date of ey 2 publication. The Cleveland News Co.* will supply the trade' with the Marine Revizew through the emer: channels of the American oS Eee = News Co. European - ; . Agents, - The: Tnierhational News _ Company, Breams Building, Chancery © Lane, Pease. B.C. a Entered at the Post Office at Cleveland, Ohio, es 38 Sees Class Matter. 'MARINE REVIEW COURSE ~ FINDER. ° The Martne Review has now in the course of preparation a work that will interest every master and mate on the great lakes. It will be particular- ly. interesting on account of its great practical utility and: the simple man- ner in which the work can be used. the magnetic ranges-and all the mean cor- The. book contains all correct rect magnetic courses' on the = lakes, with an explanation of a simple meth- od of making or finding the course to be steered between any points on the lakes. No matter what_the course to any certain place may be by your compass the course finder will' tell you what it is. quired in the method, not even so much as a mental calculation being allows necessary. The course finder' the variation and deviation for you so No figures aré"te~ THE Marine RevIEw that it is not even necessary to know the first thing about the laws of var- It will be found just. as necessary and convenient for iation and deviation. the man 'who does understand all about compass corrections. It is a method that should be employed as a check in all azimuth work. It was designed as a makeshift for azimuths for when it is cloudy azimuths of heavenly bodies are not available. long as the sky is not overcast azi- muths supply one of the most impor- but tant »meeds of lake navigation; - when it is cloudy and for. several days at<a time, as it often, js Ane, navigator 18 up against - a 'stiff proposition for This is especially. making his courses. so when the deviations change with different trims of the boat. . In. cases of this kind: the course finder will be found of the greatest assistance. The course finder 'will be. found useful at all times, no matter what the condi- tions of the weather may be. It has' often been said by lake navi- gators that if the correct magnetic bearings of all the lighted ranges. on the lakes were given it would be of lake master for finding his compass devia- The course finder has done this the greatest dssistance to the tions. and a ereat deal more. No other work on the market will be found more useful tothe lake master than the work to be performed by the course finder. : One of the greatest difficulties the lake navigator has in the use of his compass is the change in the devia- tion due to a change in the trim of his boat, such as being light, loaded, half loaded, etc. available the Gevieator can make them When azimuths are answer his purpose, but when they are not he must employ other means. It is the purpose of this work to take the place of azimuths when the sky is overcast. Another feature of the work is the blank forms for tabulating the devia; tion of the compass on all the river ranges: This form indicates just how a compass should read when heading so that the difference between what the compass on that particular range, says and the correct magnetic bearing of the range is the deviation. In this tion. So sttee. method there is no chance of con- fusing the variation with the devia- In conjunction with this. there is a deviation curve card for obtain- ing the deviation on those points of the compass for which there are no ranges. The practical utility of this card is that the greatest. amount of the work has been done so that. the navigator can obtain the deviation for any point or quarter point of the com- pass so desired, in a moment's no- i The entire method is so simple that any one must be able to under- stand it. The tabular forms :and de- viation curve blank are not essentials to. "the system, but they have been so. that in the event of a oie 'master wishing to determine his own, deviation and allowing it. to his cor- rected course he has a ready means of-doing so. The system recommends itself to fayor more on account of its bic practical utility and simplicity than anything else. No great: claim is made for the originality of the system, for it has and is being practiced every but it nience that the navigator can handle day, is the ease and conve- this part of his work that merits con- sideration if -not commendation. Practical men to whom the nature of the work has been explained, and those who have had an _ opportunity of looking over the typewritten copy for the book, have hecome very en- thusiastic and urged its printing at the earliest possible moment. Several ship masters were so eager for a copy of the work that they offered the pub- lisher $25 for the privilege of having a copy .typewritten from the original copy. The Course Finder will come from the press in a very short time. The price of the work will be $2.50, and the MarINE REVIEW is now taking ad- vandediorders for' same.. Capt. John Wharry, special sales agent and so- licitor for the MARINE REVIEW, will supply the trade at the Sault. The book will be sent on, approval. In entering the harbor of Cleveland Saturday night the steamer Roumania squeezed the tug William Kennedy which was-tied at the east pier and broke her rail and a number of stan- chions.