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Admiralty altitude angle axis azimuth Bay of Biscay boat bottom British cable Cachopo canal Captain centre Channel chart chronometer circle compass card correct course curves dead reckoning deep-sea degree depth diagram diameter direction distance disturbance diurnal diurnal tide earth earth's surface eclipses equal equator error fathoms feet fixed light flashing light force friction harmonic harmonic analysis hauling hemisphere high water horizon inches instrument iron knots latitude length lighthouse longitude lunar magnetic poles mariner's compass meridian method minute moon motion nautical nautical mile navigation nearly needle north magnetic pole object observation ordinary position practical procession of waves reckoning resistance rise and fall round sailing seconds sextant ship side sinker solar sounding machine speed star steamer Straits of Dover terrestrial magnetism theory tidal tion true north turn velocity vertical vessel weather weight wheel William Froude
Page 118 - Nothing in these rules shall exonerate any vessel 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 lookout, 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.
Page 117 - Where by the above rules one of two ships is to keep out of the way, the other shall keep her course.
Page 118 - In obeying and construing these rules due regard shall be had to all dangers of navigation; and to any special circumstances which may render a departure from the above rules necessary in order to avoid immediate danger.
Page 122 - Every steam ship, when approaching another ship so as to involve risk of collision, shall slacken her speed, or, if necessary, stop and reverse ; and every steam ship shall, when in a fog, go at a moderate speed.
Page 185 - Indian tide tables, do actually tell the height of the water for every instant of the twenty-four hours. The mechanical method which I have utilised in this machine is primarily due to the Rev. F. Bashforth who, in 1845, when he was a Bachelor of Arts and Fellow of St. John's College, Cambridge, described it to Section A of the 1845 (Cambridge) meeting of the British Association in a communication entitled "A Description of a Machine for finding the Numerical Roots of Equations and tracing a Variety...
Page 521 - Taylor. — SOUND AND MUSIC : A Non-Mathematical Treatise on the Physical Constitution of Musical Sounds and Harmony, including the Chief Acoustical Discoveries of Professor Helmholtz. By SEDLEY TAYLOR, MA, late Fellow of Trinity Colledge, Cambridge.
Page 117 - Whenever there is a fog, whether by day or night, the fog signals described below shall be carried and used, and shall be sounded at least every five minutes, viz. : (a...
Page 428 - THE forces concerned in the laying and lifting of deep submarine cables attracted much public attention in the years 1857-58. An experimental trip to the Bay of Biscay in May 1858, proved the possibility, not only of safely laying such a rope as the old Atlantic cable in very deep water, but of lifting it from the bottom without fracture. The speaker had witnessed the almost incredible feat of lifting up a considerable length of that slight and seemingly fragile thread from a depth of nearly 2£...