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NOVEMBER 28, I9OI. THE MARINE RECORD. SUN’S AMPLITUDES. The following approximate amplitudes of the Sun’s ris- ing or setting will be given each week in this column dur- ing the season of navigation. A second bearing may be taken by compass at sunset, by reversing the east bearing given for the nearest latitude, as the change in declination for a few hours makes but a slight difference in the true bearing of the sun’s setting. The bearing may be taken when the sun’s center is on the horizon, rising or setting. The elements which may be obtained by taking these am- plitudes are the quantities known as local attraction, va- riation and deviation, or the total difference between com- pass and true, or geographical bearings. LAKE ERIK AND S. END LAKE MICHIGAN, LAT. 42° N. Date. Amplitude. Bearing P’ts. Bearing Comp. Nov. 20,...1. 30° S: = S..534:k. = S. B. by, B. 34H. Mere 2.2 800 S) =" Si 536 Rh. =" SB by Be EB: DEC Gio Hate Os —— 8, 54 HS. Booby Bh. Yok. LAKE ONTARIO, S. END HURON AND CENTRAL PORTION LAKE MICHIGAN, LAT. 44° N. Amplitude. Bearing P’ts. Bearing Comp. NOV. 20... bu 31°S: = S164 8. — Ss. Roby H.R. Dec. 2 319 o. = 8.5% Bo = Sk. by bon, Dec, 6....E.32°S. = S.5%% H.. = SE by B34. N. END LAKES HURON AND MICHIGAN, LAT. 46° N. Date. Amplitude. Bearing P’ts. . Bearing Comp. Nov. 29....E. 32°S. = &. 5% E. = S.E. by E. &% E. Dec. -2.:.0 BE. 32° S. = S54 E. = Soe by BH. 4k. Dee;6).. .H32° S.1== 45.5. B= See bys, LAKE SUPERIOR, LAT. 48° N. Date. Amplitude. Bearing P’ts. Bearing Comp. Nov.i2o. B. 33°S. ==.S. 5.2 Be == 7S. E. by E. Men 2 6: 3405) =. Ss Bi =) SK. by BE. Decks .6:...6y 45° S..— S44. — Sb. % HE. With a compass correct magnetic, the difference between the observed and true bearing or amplitude will be the variation for the locality. Should there be any deviation on the course the vessel is heading at the time of taking the bearing, the difference between the observed and the true amplitude after the variation is applied will be the amount of deviation on that course. If the correct magnetic bearing is to the right of the compass bearing, the devia- tion is easterly, if to the left, the deviation is westerly. —————$—$————— ee THE ROLLER BOAT. Knapp’s roller boat demonstrated on Moonday its abil- ity to roll. In a snow storm, with a stiff north wind, it rolled from Prescott across the St. Lawrence river to Ogdensburg, but missed the channel to the upper harbor and rolled into the soft mud on a bar abreast the city and settled hard, surrounded by snow and ice. Efforts to tow the boat into deep water were unsuccessful, and she may not be released until spring. The inventor and stockhold- ers, who were on board, were taken off in small boats. The boat is 110 feet long and 22 feet diameter, An en- gine is suspended in a car in the center. The motive power is applied in the form of a climbing engine. Mr. Knapp says he will now build an ocean roller, boat 800 feet long and 200 feet in diameter, with a capacity of 4,000,000 bushels of wheat and a speed of 12 knots an hour. This appears to be one of the greatest crank notions that ever appeared on fresh water, yet the inventor sticks to his idea. Tur American Society in Iondon has made arrange- ments for holding an American exhibition in the Crystal Palace, London, in 1902. It has secured a strong local advisory committee, headed by the Lord Mayor of London. Mr. Henry Gilman, Crystal Palace, London, has been ap- pointed general manager, and Alfred H. Post, of New York, commissioner for the United States. The intention is “to demonstrate the immense commercial development which has taken place in the United States.” The: coro- nation ceremonies, which are to take. place in June, will, of course draw iniunense crowds to London, and the season is considered a propitiouss one for this kind of an. exhib-, ition. D. & C. LINE MANAGER. W..C. McMillan, for a number of years treasurer of the * Detroit & Cleveland Navigation Company, was appointed general manager to succeed the late David Carter at a meet- ing of the board of directors held in Senator James Mc- Millan’s office Saturday noon. The appointment of Mr. McMillan comes as somewhat of a surprise, as it was gen- erally supposed the office would not be filled until the an- nual meeting in January. It is thought the appointment of Mr. McMillan as general manager is only temporary, and that at the annual meeting he will be retired in favor .of some other stockholder of the line. Mr. McMillan is a son of Senator James McMillan, and is one of the most prominent business men in Detroit, He is vice-president of the Union Trust Company, and is a director of several:banks and other leading-institutions. Senator James McMillan stated: “Some one had to be appointed at once, and as W. C. Mc- ‘Millan is thoroughly familiar with the working of the company,.he was the best man for the place. No changes are anticipated and things will go on the same as if Mr. Carter were still alive. Both Mr. McIntyre and Mr. Schantz will continue to occupy their present’ positions as ae freight agent and general passenger agent respec- tively. D. C. McIntyre was supposed to have the inside track for ’ the appointment as general manager, or probably Mr. New- man, but the entire business is in the hands of the Mc- Millans. ee, a OPERATION OF THE NAVAL MILITIA. Lieut. Comdr. W. H.'H. Southerland; U. S.:N., in charge of Naval Militia, states in his annual report that.during the year but two requests were received from states for the as- signment of a vessel to drill and instruct their naval militia, one from Maine, the other from New Jersey... The’ U.S. S. Dolphin was used in drill work for the naval militia of states bordering on the Atlantic, the U. S. S: Michigan for that of states bordering on the Great Lakes and the U. S. S. Philadelphia for the naval militia of states bordering on the Pacific. The naval militia of Louisiana took a ten days’ cruise on the U. S. S. Stranger. The painstaking manner which the work of the regular officers of the vessels carrying out the plan of the depart- ment was. done reflects credit on the officers and+on the’ service, as evidence of their interest in anything-that may be of benefit to the navy. There are naval militia organizations in 19:states, with a total enrollment of 435 officers and 4,679 enlisted men. The ee allotted to these bodies last year-amounted to $59,- 80.64. Commander Southerland emphasizes ‘the pressing need: of a National Naval. Reserve. ‘““The advantage of such a force,” he remarks, “is only too apparent when we realize how difficult it is to get men to man our vessels in times of peace. Our experience during the last war was conclusive in showing how nearly impossible it will be to get the great number of men who will be required for an expanded navy at any outbreak of war.” a Sor In view of:the influence that the engineering profession will always exert on naval matters, and by reason of the fact: that the modern navy-is an engineering one, the' only way in which the personnel law can be made’to work effi- ciently is to interpret the measure in accordance with its spirit and purpose. ‘The Army and Navy Journal very per- tinently observes that: An implied,-if not direct pledge was given the Congress, that the future naval officer should be a fighting engineer. The Navy will have to live up to this obligation. ferent interpretation of the bill from that rendered is requisite for naval efficiency. It is not possible if it were desirable to'repeal the law. It is possible to amend it, however, and every student of this question must appre- ciate the fact that-it ‘will not, require much ‘agitation to secure a Congressional: interpretation to:every feature of the personnel measure that will at least satisfy in great part the engineering world. i -he relies upon his memory. The opinion is quite general that a dif-. LAKE SHIPS ON THE OCEAN. The following is from the Nautical Gazette of New York: It was hardly thought possible some few-years ago - that the shipyards of the Great Lakes would be able to turn out steamers for use on salt water. The plants situ- ated along the seacoast were supposed to be better equipped for this class of work than were the yards on fresh water. And while the equipments of the coast yards have been all that could be desired and the various establishments were ready and willing to undertake orders for any type of ocean craft yet. but few typically modern steel freight car- riers have been built in recent years for coasting and deep sea service in the shipyards lying adjacent to the Atlantic. Capitalists have not been lured toward the sea for invest- ments in ocean tonnage, especially for long voyages. What vessels have been built for coastwise work have been: of the- combination passenger and freight type for regular lines and powerful tugboats and wooden barges and schooners for coal carrying. However, since the completion of -the Canadian canals at various points along the St. Lawrence river has made it possible for steamers of about 3,000.torls tc navigate under their own steam between the Great: Lakes cand the seacoast many freighters: have been built in lake shipyards and sent to the Atlantic by enterprising owners. And the list of these is greater than one might suppose if ; The first fleet which came - here were vessels that had seen from three or four to 15 - or 20 seasons’ work on the lakes. Some of these have-been lost, but most of them are running still in the coal carrying business, and are performing with excellent satisfaction. The newer boats—built on lake models—but more especially adapted.to ocean. work, are meeting. with good success-and-, appear to be well adapted to salt water service. Three lake line from Puget sound. to the Hawaiian islands. This is surely.a good enough test of their seagoing qualities,. : — Oe Collision—Steam and Sailing- Vessels—Duty of Steam- er.—While the statutory rule requiring a steam vessel to keep off the course of a sailing vessel is modified where the steamer cannot obey it without serious peril.to herself. or other vessels, she is not justified in disobeying it until she has resorted to all other practicable means, not only to escape the danger after it is known, but to anticipate and provide against it.The Devonian, 110 Fed. Rep. (U. S.) 588. eS a Oo Oo Rights of Charterer—Risks Incident to War.—The lia- ‘bility of-a time charterer of a ship to the owner is not different because by reason-of the breaking out of a war. after the: execution of the charter, the ‘risk to the vessel is increased, such risk being that of the owner; nor is the “built steamers—the Meteor, Tampico and Eureka—went to - ‘the’ Pacific coast in the summer and are now running on-a - charterer bound to.employ the vessel in the safest busi-- ness, but he may employ it in any. business which is lawful, and not in violation of the charter. The Ely, 110 Fed. Rep. (U.S.) 563. MARVEL THE NEW BAUSCH & LOMB-ZEISS_ . STEREO Binocular Glasses. |i Used by the Armies and | Navies of the World. Invaluable for Tourists, Sportsmen and Every-day Use. Booklet Free. eg Bausch é Lomb Optical Co., , Rochester, N.-Y. New York. Chicago. > For’sale by all dealers, Sia ST \ ‘i ) pe ee ae a La lg wt 5.F.HO THE—_—~ . 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