Local Marine Board Examination, for Officers in the Mercantile Marine Service: Including: Regulations for Masters and Mates, in Foreign and Coasting Trade; Rules of the Road, Lights, Laws of Storms, Questions in Seamanship, Navigation, Steam, &c., &c.; Also: a Series of Explanatory Lectures on Navigation and Astronomical TermsJ.A. Cummings & Company, 1868 - 91페이지 |
도서 본문에서
10개의 결과 중 1 - 5개
31 페이지
... column of mercury with the height of a column of water raised by the pump , and perceiving those heights to be in an inverse ratio of the specific gravities of the water and mercury , he concluded they were kept in suspension by a ...
... column of mercury with the height of a column of water raised by the pump , and perceiving those heights to be in an inverse ratio of the specific gravities of the water and mercury , he concluded they were kept in suspension by a ...
32 페이지
... column of the atmosphere being increased by the weight of the portion equal to the height of the moun- tain , pressed upon the mercury in the basin , and forced it to ascend in the tube until both weights balanced each other . Pascal ...
... column of the atmosphere being increased by the weight of the portion equal to the height of the moun- tain , pressed upon the mercury in the basin , and forced it to ascend in the tube until both weights balanced each other . Pascal ...
39 페이지
... column , opposite which is the distance in another column , also the hight of the object in the same column as hight of eye , and opposite it the corresponding distance in the other column ; these two distances are then added together ...
... column , opposite which is the distance in another column , also the hight of the object in the same column as hight of eye , and opposite it the corresponding distance in the other column ; these two distances are then added together ...
80 페이지
... column for the depar- ture the ship has made . Opposite it in the distance column is the true difference of longitude , which apply to the longi- tude left . If of the same name , add them ; if of different names , subtract , which will ...
... column for the depar- ture the ship has made . Opposite it in the distance column is the true difference of longitude , which apply to the longi- tude left . If of the same name , add them ; if of different names , subtract , which will ...
81 페이지
... column of remarks must be entered anything of local interest on board , or any transaction that may affect the own- ers , the insurance , the cargo , or the safety of the ship , as the journal ( if brought into court ) is considered in ...
... column of remarks must be entered anything of local interest on board , or any transaction that may affect the own- ers , the insurance , the cargo , or the safety of the ship , as the journal ( if brought into court ) is considered in ...
기타 출판본 - 모두 보기
자주 나오는 단어 및 구문
amplitude anchor ascertain atmosphere azimuth barometer boilers bottomry CAPT cargo centre certificate chro chronometer circle clouds coast column commander compass correct course cyclone deck declination ecliptic engine equator Eye 19 feet fixed stars Give the rule Greenwich Gulf Stream hemisphere hight horizon hurricane inches Index Error latitude and longitude latitude of ship LECTURE longitude by chronometer longitude of ship Master Mate mercury meridian altitude moon moon's Nautical Almanac Nautical miles navigation noon northern hemisphere officer parallel sail pass passenger planets point of Aries polar distance pole port side Q.-What Quadrant QUESTION refraction Required the latitude Required the longitude right ascension rise Sailing Ships scudding seaman SEAMANSHIP semi-diameter sextant ship on chart ship's Ships under Steam Statute miles steamships stow and dunnage subtract sun's altitude tion Topsail true altitude tube tude valves variation vessel voyage weather wind zenith distance
인기 인용구
25 페이지 - When two steam vessels are meeting end on, or nearly end on, so as to involve risk of collision, each shall alter her course to starboard so that each may pass on the port side of the other.
26 페이지 - Nothing in these rules shall exonerate any ship, or the owner, or master, or crew thereof, from the consequences of any neglect to carry lights or signals, or of any neglect to keep a proper look.out, or of the neglect of any precaution which may be required by the ordinary practice of seamen, or by the special circumstances of the case.
25 페이지 - A vessel which, is closehauled on the port tack shall keep out of the way of a vessel which is closehauled on the starboard tack. (c) When both are running free, with the wind on different sides, the vessel which has the wind on the port side shall keep out of the way of the other.
23 페이지 - ... use : and shall, on the approach of or to other vessels, be exhibited on their respective sides in sufficient time to prevent collision, in such manner as to make them most visible, and so that the green light shall not be seen on the port side nor the red light on the starboard side, nor, if practicable, more than two points abaft the beam on their respective sides.
22 페이지 - Rules every steam vessel which is under sail and not under steam is to be considered a sailing vessel, and every vessel under steam, whether under sail or not, is to be considered a steam vessel. The word " steam vessel " shall include any vessel propelled by machinery. A vessel is
24 페이지 - Pilot vessels, when engaged on their station on pilotage duty, shall not show the lights required for other vessels, but shall carry a white light at the masthead, visible all round the horizon, and shall also exhibit a flare-up light or flare-up lights at short intervals, which shall never exceed fifteen minutes.
25 페이지 - When two sailing ships are crossing so as to involve risk of collision, then, if they have the wind on different sides, the ship with the wind on the port side shall keep out of the way...
26 페이지 - If two ships under steam are crossing so as to involve risk of collision, the ship which has the other on her own starboard side shall keep out of the way of the other.
24 페이지 - Open boats shall not be obliged to carry the side lights required for other vessels, but shall, if they do not carry such lights, carry a lantern having a green slide on one side and a red slide on the other side; and on the approach of or...
26 페이지 - Every steamship, when approaching another ship so as to involve risk of collision, shall slacken her speed, or if necessary stop and reverse ; and every steamship shall, when in a fog, go at a moderate speed.