The principles of navigation simplified, with luni-solar and horary tables, and their application in nautical astronomy |
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The reprint is barely intelligible. As a professional navigator and student of horology and astronomy it is a very disappointing purchase.
The "tables" of pages 53 to 91 are not tables at all and just a disconnected list of numbers; further the text has disjointed tabulations - refer page 1 of reprint eg The Agents (although not identified as such) at Aberdeen were Messrs A. Brown & Co etc - there is no correlation in the list of entries.
There are no diagrams nor tabulated picture of the Mariner's Calculator - refer page 29, 30 of the reprint, which (after considerable study) is a copy of page 104 of original, but it does not have any related illustration in www,general-books.net nor can any of the text be printed.
If Amazon or Google can provide any insight into these I would be most appreciative.
Contents
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Other editions - View all
The Principles of Navigation Simplified, with Luni-Solar and Horary Tables ... Janet Taylor No preview available - 2015 |
Common terms and phrases
11 10 LOGARITHMIC Amplitude angle of meeting Angular Distance arch Azimuth Base cb Bearing and Distance Calculation centre chord of 60 Chronometer Co-Log Co-sec Co-sine Co-tang column compass complement Construction corrected Course and Distance Degrees Diff difference of Latitude difference of Longitude Dist Dep Dist Lat distance sailed Equator Example.—Suppose find the Course find the Distance given Gunter's Scale half sum horizon Horizontal Parallax Hypothenuse Latitude 52 Latitude and Departure Latitude and Longitude Latitude left Leeway limb line of numbers line of sines Log ratio LOGARITHMIC SINES Longitude by Chronometer Longitude left Meridian Altitude Middle Latitude miles Moon Moon's Apparent Altitude nonius noon observation opposite parallel Parallel Sailing Plane Sailing Porto Santo radius Refraction and Parallax required angle right angles Right Ascension Secant semi-diameter Ship's place side bc square Stars Tang TANGENTS Theorem Traverse Table triangle true Altitude tude variation
Popular passages
Page 11 - Therefore all the interior angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 111 - But wandering oft, with brute unconscious gaze, Man marks not THEE, marks not the mighty hand That, ever busy, wheels the silent spheres; Works in the secret deep; shoots, steaming, thence The fair profusion that o'erspreads the Spring...
Page 12 - IN any obtuse-angled triangle, the square of the side subtending the obtuse angle, is greater than the sum of the squares of the other two sides, by twice the rectangle of the base and the distance of the perpendicular from the obtuse angle.
Page 9 - If two triangles have two sides of the one equal to two sides of the other...
Page 102 - Table is to be entered with the number of points contained between the ships head and the first bearing of the object, at the top, and with the number of points, reckoned the same way, between the ship's head and the second bearing, at the side ; the number in the table at the intersection of the two columns being multiplied by the distance run, is the distance from the object at the time the last bearing was taken.
Page 3 - Similar figures are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.
Page 6 - If equals be added to equals, the sums will be equal. 3. If equals be taken from equals, the remainders will be equal. 4. If equals be added to unequals, the sums will be unequal.
Page 10 - Angles, taken together, is equal to Twice as many Right Angles, wanting four, as the Figure has Sides.
Page 2 - Unfathomable, endless of extent! Where unknown suns to unknown systems rise, Whose numbers who shall tell? stupendous host! In flaming millions through the vacant hung, Sun beyond sun, and world to world unseen, Measureless distance, unconceiv'd by thought! Awful their order; each the central fire Of his surrounding stars, whose whirling speed, Solemn and silent, through the pathless void Nor change nor error knows.
Page 6 - AXIOMS. 1. Things which are equal to the same thing are equal to each other. 2. When equals are added to equals the wholes are equal. 3. When equals are taken from equals the remainders are equal. 4. When equals are added to unequals the wholes are unequal. 5. When equals are taken from unequals the remainders are unequal. 6. Things- which are double of the same thing, or equal things, are equal to each other.
Bibliographic information
| Title | The principles of navigation simplified, with luni-solar and horary tables, and their application in nautical astronomy The principles of navigation simplified, with luni-solar and horary tables, and their application in nautical astronomy, Janet Taylor |
| Author | Janet Taylor |
| Edition | 3 |
| Published | 1837 |
| Original from | Oxford University |
| Digitized | Mar 15, 2007 |
| Export Citation | BiBTeX EndNote RefMan |