Maritime History of the Great Lakes

Marine Review (Cleveland, OH), 20 Feb 1908, p. 29

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125 27.0 19°5 32.0 3.0 Compass Course. N: 30S 42° W 1722 21° W. 73° W Difference 7.4 NNMnW TAE Marine Review Fie; 1, miles N 30° E, Var. 13° Ely, Dev. 7° Ely. miles S 42° W, Var. 13° Ely, Dev. 10° Wly. miles & 17% E, Var. 13 Hay, ev. 22) Big; miles S 21° W, Var. 13° Ely, Dev. 5° Wly. miles S$ 73° W, Var. 13° Ely, Dev. 12° Wly. FIG. 2, A DAY'S WORK, Compass Correction. True Course. 20°. .Bly, N 502 3° Ely. 5 2492. W 15° Ely; 2° So Ely S292. W. 1° -Ely S 74° W of Latitude. Departure. oS: E. 8.8 19.1 19.5 0.7 28.0 0.8 67.4 9.5 7.4 60". = 1° Miles. 11.5 2 7.0 1955 3 W. 191 15:5 2.9 37, 9: mu | 28 2.0 3.0 PIG. 3. THE TIME SIGHT. 1.4h after Gr. Noon. . 9.70337 sine of apparent time at ship equals 7h 57m 18s. Wt. 8h 04m 20s a. m. civil time the 19th is 12h 20h 04m 20s astronomical time the 18th C-W 5h 15m 10s 25h 19m 30s 5m 30s plus 25h 25m --24h Gr. -T. lh 25m after noon Gr., 19th equals 1.4h. Eqeet: --3m 42s G. A. T. lh 21m 18s : Eq, f Dift th 553s .77428 Eqs at. 3m 43.19s Corr. 7 3m 42.21s Correct Eq. T. Dec. Diff 1h 48.50" 1.4 67,90 = 79 S. D. 16° 00" plus Dip --4' 29" The 30 es Ref, --2' 31" 19° 30" ce De: --7 Correction 12730 << Obs. Alt. 20275772304 True Alt. 2123102 Dec. 13° 47 464" Corr. --l' 7.9" : 13°. 3% 38.27 correct -Dec..: N, 90° # PD 103° 37 38.2% "cosec 0.01138 deat. 21930 sec 0.03132 Alt. ale 10' . Sum 2)145° 43" 38" Y% sum 122-51 49" cos 9.46931 --20° 10' ; Diff. S1o41% 49" sin 9.89473 2)19,40674 Gr. App. f; lh 21m 18s P. M. 12h 13h 21m 18s : 7h 57m 18s a. m. at ship. 5h 24m west of Greenwich, equals Long. 81° W. ALTITUDE AZIMUTH. Tae, 212305 sec, .- 0:03132 -- Alt. 212 240! sec. 0,03034 FD: 103°. 3% 387 %y sum 2) 1452437 387% 72° 51' 49" ' Ey 29 SHIP YARD NOTES. The Kelley, Spear Co., Bath, Me. is framing out a large barge which it is to. build for New York interests. The submarine torpedo boat which the navy department has contracted for with the Lake Torpedo Boat Co. will be built at the yard of the Bath Iron Works, Bath, Me. The big dry dock which is being erected at Orange, Tex., by the New Orleans Dry Dock Co., was launched recently and the remainder of the work upon it will be completed shortly. The Union Iron Works, San Fran- cisco, Cal., has just completed the steel barge Contra Costa for 'the Standard Oil Co. She is 188 ft. in length and has a capacity for 7,000 barrels of. oil. The New York Ship Building Co., Camden, N. J., has been awarded con- tract for the construction of two car floats for the Lehigh Valley Railroad Co. Thiey are tto have a capacity of 23 cars each. The Kelley, Spear Co, Bath, Me., has completed the rebuilding of the former lake steamer Lucy Neff, and she has left that yard for San Fran- cisco. The Neff was bought some time ago by the Tillamook Naviga- tion Co. of San Francisco, 'Robert | Crawiord;. of . Tacoma, Wash., will build a fine passenger launch for the Foss Boat Co. of that city. The new craft is to be 58 ft. in length with a 9-ft. beam and she will have a speed of 14 knots. Gas- oline will be used as fuel and the engine will be of 30 H. P. The William Cramp & Sons Ship & Engine Building Co., Philadelphia, Pa., will repair the steamship Aries, which was burned at her pier in that city recently. The Aries is owned by the Merchants' and Miners' line and when in 'commission plies between Philadelphia, Fall. River and Provi- dence, Mass. Joseph Supple, the Portland, Ore., ship builder, has been awarded con- 'tract for the construction of a stern- wheel stéamboat for the Copper River & Northwest Navigation Co. of Alaska. The new vessel will be 100 ft. long, 24 ft. beam and 4 ft. depth of hold and she will be equipped with powerful machinery which will be built by the Willamette Iron & Steel Works, Portland. By the terms of the contract the craft must be ready for shipment to her northern station by May 1, it be- ing intended to ship 'the vessel in knock-down form.

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