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30 and Var unless yous desire 'to find your exact position on the. chart. | _ TO BERTH YOUR SHIP AT AN ANCHORAGE, | Select the 'spot on the chart where you wish to anchor. Note the sound- ings and have your cable ranges over- hauled for at least three times that depth. Draw a circle around the spot, with a radius about three times the length of the cable to be let go. See if you will have swinging room at all points on the circumference of the circle, and also plenty of room for getting underway with the wind in any direction, for you may not be able to bring up just at the center of your circle. Now lay down cross- bearings on the circumference of your anchorage at the side from which you expect to approach it. When you get those bearings on- your compass, round.up and let go. After' anchor- ing ascertain the exact position of rete oan by new cross-bearings. QUESTIONS FOR WHEELSMEN AND WATCHMEN. SEVENTEENTH INSTALLMENT, "This course of instruction by the 'question and: answer method was commenced in_ the May 23 issue of the MArinz Review. It is for the purpose of promoting the young man aboard ship. It, tells him the steps necessary in the examination for first papers, and it deals with only those problems that are abso- lutely necessary for him to know, This feature of the paper has met with a great deal of encouragement... New subscribers will be furnished with the questions and answers from the start, so' that it' will prove as avail- able to the new reader as the old... - Even licensed men have taken a lively interest in this: department, and are: watching it with interest. : 189. Draw a diagram iciseeadine Rule VI of Pilot Rules. 190. What is meant by the First and Second Situations of the Pilot Rules? 191. If you were steering NE and a lighthouse bore 2 points abaft your port beam, what would its bearing _be by compass? 192. At what distance is the fore- mast head light of a steamer -sup- posed to be visible on a clear night? Tae Marine REVIEW '193. How' far should the colored lights be seen? -- 194, What does. a red bay Sie cate? 195. Going into a channel from sea- ward on which side would you pass the red buoys? 196. What is a gas buoy? 197. What is a fixed light? 198. What is meant by the abbre- viation F. W. in regard to lights? 199, What does F. R. mean? 200. What is a flashing light? QUESTIONS FOR MASTERS AND MATES.--NO. 43. (This department was started over a year ago. It covers in large measure the course of instructions in The Theory and Practice of Lake Navigation. It is for the purpose of seeing how well those interested in the study under- stand the course. The answers to these ques- tions are to be published at the conclusion of. the instructions. A person can learn more from such a Set of questions, if he will take the time to study the answers, than in any other way. This is because he relies upon himself for the information and does his own thinking. It likewise helps to broaden his mind and _ intel- lect, and too, the study of one branch of science increases one's power to master another, One master, who is taking a lively interest in this department, writes that he is getting the great- est amount of good~- from following and en- deayoring to answer the questions in his own way. 591. At: anchor::in. a heavy gale with engines broken down, how would you reduce the strain on the windlass? 592. On the course from SE Shoal to Buffalo and are to be 4 miles off Long Pt. when you have it abreast; -you encounter a heavy fog and do not hear the whistle at Long Pt., how would you verify your position? 593. Making Milwaukee in a heavy fog, how would you tell whether you were making good your course two hours before running your time out? 594. How would you know if you were fetching northerly -under the same conditions? 595. You have charge of the deck of a steamer under way: outside, and a cry is raised of a man overboard on the port bow; what is the first order you would give, and why? 596. What is meant by a right- handed screw propeller? 597. What is meant. he a left- handed screw? -598. What effect oe a right-hand- ed screw on a ship going ahead? 599. What effect has a left-handed screw on a ship. going ahead? 600. How would you turn a steam- ship short around with a right- hand- ed propeller? 601. Which end of- ship does the rudder move? The lighthouse board at' Washing- ton has rejected all bids opened Aug. 19 for the construction of light vessel No. 82. ANSWERS TO QUESTIONS FOR _ WHEELSMEN, AND WATCH- ' -' MEN. INSTALLMENT, AUG, 29. (New subscribers will be supplied with all back numbers of the Marine Review from the time this special course was started. You may get them at any time as long as they last.) 155. The vessel would show a light- ed torch or flare-up light upon that FOURTEENTH PUBLISHED 'point or quarter to which the steam- er was approaching. 156. His stern or range lights, all others would be shut out. 157. The"one steering SE has the right of way. You blow one blast and port your helm and go astern. The other fellow answers with one blast but holds his course and speed. 158. The fellow steering South goes astern. He starboards his helm and you hold your course. 159. From NE to SSE. 160. On the starboard side. 161. After' or range light andthe light aft for the tow to steer by and also a: similar ave on the stern of the tow. 162. By the two lights mentioned above. 163. The one ahead would show a lighted torch at her stern or on her quarter. 164. Port my helm. 165. About NW x WW. | 166. All courses between west and east by way of south. The wind must be abaft the beam, or more than 8 points from the direction of the wind. A FEW HINTS NAVIGATION- : ALLY. (For the apprentice and subordinate officer aboard ship.) As long as you keep a green light open to a green light, or a red light open to a red light,'no collision can occur between passing steamers. Strength of Ropes. -- Breaking Strain, etc. (hawser laid). Rule.-- Square the circumference and divide by 3 for the breaking strain, in tons; by 4 for the proof strain; by 6 for. the working strain. Example: Rope 6 inches in circumference. 6 3) 36 12 tons = breaking strain. Nine tons for proof strain and 6 tons working strain. Note.--Bear in mind that rope is measured by its circumference and not by its diameter. When we speak of a 6-inch line it is meant 6 inches in circumference and not 6 inches in di- ameter. To Calculate the Weight of Rope--