The sailor's sea-book1879 |
Inni boken
Resultat 1-5 av 24
Side 74
... watch ; but attention must be first directed to the chronometer . No chronometer is known to keep true mean time , or can be made to do so : human skill is not sufficiently perfect to accomplish this , though it can produce chronometers ...
... watch ; but attention must be first directed to the chronometer . No chronometer is known to keep true mean time , or can be made to do so : human skill is not sufficiently perfect to accomplish this , though it can produce chronometers ...
Side 75
... watch was 1m . 29s . slow , and gaining 3s . daily , five days afterwards it would only be 1m . 14s . slow , that is 1m . 29s . less 15s .; and if the watch indicated 2h . 30m . 40s . P.m. , the correct time would be 2h . 31m . 54s ...
... watch was 1m . 29s . slow , and gaining 3s . daily , five days afterwards it would only be 1m . 14s . slow , that is 1m . 29s . less 15s .; and if the watch indicated 2h . 30m . 40s . P.m. , the correct time would be 2h . 31m . 54s ...
Side 76
... watch , and thus taken the altitudes and times yourself , mark how much the watch is slower or faster than the chronometer ; and applying the difference to the mean of the times , we have the chro- nometer time , which , being corrected ...
... watch , and thus taken the altitudes and times yourself , mark how much the watch is slower or faster than the chronometer ; and applying the difference to the mean of the times , we have the chro- nometer time , which , being corrected ...
Side 77
... watch . +5 34 watch slower than chron . 9 30 51 chronometer time . To know when to add 12 hours to the time shown by chronometer . The chronometer only ranges from 0 to 12 hours , but as you already understand ( from p . 64 ) the ...
... watch . +5 34 watch slower than chron . 9 30 51 chronometer time . To know when to add 12 hours to the time shown by chronometer . The chronometer only ranges from 0 to 12 hours , but as you already understand ( from p . 64 ) the ...
Side 78
... watch you use , hold your watch , which should be furnished with a seconds - hand , in the palm of either hand , as may be convenient , or at all events placed where the eye of the observer may fall on it , as soon after he has made the ...
... watch you use , hold your watch , which should be furnished with a seconds - hand , in the palm of either hand , as may be convenient , or at all events placed where the eye of the observer may fall on it , as soon after he has made the ...
Vanlige uttrykk og setninger
altitude anchor angle apply bearing boat centre chart chro chronometer Circle Sailing cloth boards Colonel Sir William compass course correct magnetic course and distance Dead Reckoning deck Deviation Diff direction Dist Distance Signals East easterly Edition Engineers equator Flags gale give Greenwich mean hauled HENRY LAW hoist horizon Hour-angle hurricane iron latitude leeway light Long LUDGATE HILL mast meridian meridian altitude miles minutes Naut Nautical Almanac Navigation noon North northern hemisphere numerous Illustrations observed parallel parallel ruler Parallel Sailing Pennant pieces of timber Plates port practical protractor quadrant RALPH TATE rigging rope Rudimentary Treatise rule SCOTT BURN semicircle sextant Ship Date ship's head ship's place side Sir William Reid South southern Steam Ships steered storm subtract sun's lower limb tion track Traverse Table true course tude variation vessel West whirlwind William Reid wind Woodcuts yard
Populære avsnitt
Side 4 - AN OUTLINE OF THE METHOD OF CONDUCTING A TRIGONOMETRICAL SURVEY. For the Formation of Geographical and Topographical Maps and Plans, Military Reconnaissance, LEVELLING, &c., with Useful Problems, Formulae, and Tables.
Side 113 - ... abaft the beam on the starboard side, and of such a character as to be visible at a distance of at least two miles.
Side 117 - In obeying and construing these rules due regard must be had to all dangers of navigation ; and due regard must also be had to any special circumstances which may exist in any particular case rendering a departure from the above rules necessary in order to avoid immediate danger.
Side 116 - 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.
Side 8 - A HANDY BOOK of VILLA ARCHITECTURE ; being a Series of Designs for Villa Residences in various Styles. With Detailed Specifications and Estimates. By C. WICKES, Architect, Author of " The Spires and Towers of the Mediaeval Churches of England,
Side 35 - A GRAMMAR OF COLOURING, applied to Decorative Painting and the Arts. By GEORGE FIELD. New Edition, enlarged and adapted to the Use of the Ornamental Painter and Designer. By ELLIS A. DAVIDSON. With two new Coloured Diagrams, &c.
Side 14 - Rates, from id. to i68s. per cwt., and containing 186,000 Direct Answers, which, with their Combinations, consisting of a single addition (mostly to be performed at sight), will afford an aggregate of 10,266,000 Answers ; the whole being calculated and designed...
Side 21 - Woods and Marbles (Imitation of). SCHOOL OF PAINTING FOR THE IMITATION OF WOODS AND MARBLES, as Taught and Practised by AR VAN DER BURG and P. VAN DER BURG, Directors of the Rotterdam Painting Institution. Royal folio, 18i by iai in., Illustrated with 24 full-size Coloured Plates; also 12 plain Plates, comprising 154 Figures.