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27851

Published
**1799** by Printed by Bonsal and Niles for Zachariah Jess in Wilmington .

Written in English

Read online- Surveying -- Tables -- Early works to 1800.

**Edition Notes**

Genre | Tables, Early works to 1800. |

Contributions | American Imprint Collection (Library of Congress) |

Classifications | |
---|---|

LC Classifications | TA544 .J58, TA552 .J58 |

The Physical Object | |

Pagination | 91, [3], 59, [1] p. ; |

Number of Pages | 91 |

ID Numbers | |

Open Library | OL6965276M |

LC Control Number | 06003253 |

**Download Tables of difference of latitiude and departure**

Tables of Difference of Latitude and Departure: Constructed to Every Quarter of a Degree of the Quadrant, and Continued from One, to the Distance of One Hundred Miles or Chains [Robertson, John] on *FREE* shipping on qualifying offers.

Tables of difference of latitude and departure: constructed to every quarter of a degree of the quadrant, and continued from one, to the distance of one hundred miles or chains. [Robertson, John] on *FREE* shipping on qualifying offers. Tables of Difference of Latitude and Departure: Constructed to Every Quarter of a Degree of the Quadrant, and Continued from One, to the Distance of One Hundred Miles or Chains.

(Paperback) By John Robertson Gale Ecco, Print Editions, United States, Paperback. Book Condition: New. x mm. Language: English. Brand New. Tables of Difference of Latitude and Departure: Constructed to every Quarter of a Degree of the Quadrant, And continued from One, to the Distance of One Hundred Miles or Chains: of LOGARITHMS, from 1 to 10, and of Artificial Sines, Tangents, and Secants.

Carefully Revised and Corrected. Philadelphia: Joseph & James Crukshank [1. Tables of difference of latitude and departure: constructed to every quarter of a degree of the quadrant, and continued from one, to the distance of one hundred miles or chains.

Author: J Robertson. "Tables of difference of latitude and departure "--[1], 90, [1] p., with separate title page, dated Attributed to John Robertson. Description: 1 online resource ([3], 90, [3], 60 pages). Tables of Difference of Latitude and Departure: Constructed to Every Quarter of a Degree of the Quadrant, and Continued from One, to the Distance of One Hundred Miles or Chains.

Philadelphia: Joseph Crukshank, 8 o ( x mm). (A few occasional small stains.) Contemporary American reverse-calf wallet binding, cord tie (flap joint split). Traverse tables: or Tables of difference on latitude and departure: constructed to every quarter of a degree of the quadrant, and to answer for all distances from one tenth of a perch, or mile, to twelve hundred.

Particularly suited for the purposes of land surveying. Difference of Latitude is named N and departure is named E, because the course is NE.

Example 4. A ship made good with a course of ° T over a distance of miles. Find the Difference of Latitude and Departure: 1. The course is in the 3.

rd quadrant, so the quadrantal course is S 85° W; 2. Locate the table 85°, which is at the bottom of. LATITUDES AND DEPARTURES: Background.

The latitude of a line is its projection on the north-south meridian and is equal to the length of the line times the cosine of its bearing.; The departure of a line is its projection on the east-west meridian and is equal to the length of the line times the sine of its bearing.; The latitude is the y component of the line (also known as northing), and the.

Tables of latitude and departure, with an essay on their origin and use; particularly as they are suited to the purposes of land surveying: also, an appendix, By Thomas Harding.

[Harding, Thomas] on *FREE* shipping on qualifying offers. Tables of latitude and departure, with an essay on their origin and use; particularly as they are suited to the purposes of land surveying: also. Full text of "Mathematical Tables: Difference of Latitude and Departure: Logarithms, from " See other formats.

Tables Of Latitude And Departure, With An Essay On Their Origin And Use; Particularly As They Are Suited To The Purposes Of Land by Thomas Harding. our price 1, Save Rs.

Buy Tables Of Latitude And Departure, With An Essay On Their Origin And Use; Particularly As They Are Suited To The Purposes Of Land online, free home delivery. ISBN:Nine important differences between latitude and longitude are discussed in this article.

One such difference is Latitude implies the geographic coordinate which determines the distance of a point, north-south of the equator while Longitude alludes to the geographic coordinate, which identifies the distance of a point, east-west of the Prime Meridian.

latitude and longitude of arrival/departure by Mercator sailing calculates a DR position or an estimated position by using the plane sailing formula, given compass course and compass error, distance by log, estimated speed, tidal and current information and leeway.

An illustration of an open book. Books. An illustration of two cells of a film strip. Video An illustration of an audio speaker. Full text of "Mathematical tables: comprising logarithms of numbers, logarithmic sines, tangents, and secants, natural sines, meridional parts, difference of latitude and departure, astronomical refractions, &c.

explains the relationship between departure and difference of longitude in cases involving a change of latitude, by using mean latitude (mid-latitude) derives the mid-latitude sailing formulae: DLo =.

To calculate the latitude and departure of the traverse lines, it is first essential to reduce the bearing in the quadrant system. The signs of latitude and departures will depend upon the reduced bearing of the line.

The following table gives signs of latitudes and departures. latitude for converting departure to difference of longitude when the course is not due east or due west. Mercator sailing provides a mathematical solution of the plot as made on a Mercator chart. It is similar to plane sailing, but uses meridional difference and difference of longitude in place of difference of latitude and departure.

The practice of navigation, on a new plan: by means of a quadrant of difference of latitude and departure; and an easy and true method, of bringing and vice versa, By James Rymer, [Rymer, James] on *FREE* shipping on qualifying offers. The practice of navigation, on a new plan: by means of a quadrant of difference of latitude and departure; and an easy and true Author: James Rymer.

In the tables for converting mean latitude to middle latitude, the correction for a mean latitude of 60 o and a difference of latitude of 20 o is +1 o 09’. So the middle latitude = 61 o The formula for calculating departure using the middle latitude is: Dep.

= cos(mid lat). In lay man terms: Latitudes are the horizontal lines which demarcates earth's climatic variations for eg. 0° to 30°N S latitude roughly its equator the temperate the torrid then frigid zones. Longitude are vertical lines which demarcates time zo.

Computing Latitude and Departure using Azimuth Latitude = D cos Departure = D sin where, D = length of the line; = Azimuth Azimuth angle takes care of lat and dep algebraic sign. (If we use Bearing for computing lat & dep, we have to pay attention to their signs). 3 Latitudes and Departures of a Closed Traverse For a closed traverse.

Mathematical tables: comprising logarithms of numbers, logarithmic sines, tangents, and secants, natural sines, meridional parts, difference of latitude and departure.

Defines 'departure' and states the relationship to difference of longitude Defines 'true course' and 'rhumb line' Derives the plane sailing formulae Explains the relationship between departure and difference of longitude in cases involving a change of latitude, by using mean latitude. LATITUDE AND DEPARTURE FROM PLANE COORDINATES.— The numerical values of latitude and departure of a traverse line are easily computed from the coordinates of the end stations of the line.

For traverse line AB, for example, the numerical value of latitude equals the difference between the Y coordinate of A and the Y coordinate of B, while the numerical value of departure equals the difference. Length (ft.) Latitude Departure Latitude Departure Latitude Departure Corrections Balanced Corrections computed on previous slides Surveying - Traverse Balancing Latitudes and Departures.

CA8E I. Given the course and distance to find the difference of latitude and departure. 8olution. Find the given course at the top or bottom of the table of latitude, and departure for points of the compass, or for degrees,according as the given course is expres Author: John Robertson.

Departure. Latitude. AB 45 45 0 The Table shows the calculations and corrections based on the Transit (Wilsons’s) Rule. The main difference is that with the transit rule the latitude and departure corrections depend on the length of the latitude and departure of the course respectively instead of both depending on the length.

Figure —Graphic solution of a closed traverse by latitude and departure. Figure is a graphic demonstration of the fact that, in a closed traverse, the algebraic sum of the plus and minus latitudes is zero; and the algebraic sum of the plus and minus departures is zero.

The plus latitude of CA is equal in length to the sum of the two minus latitudes of AB and BC; the minus.

The Relationship Between Longitude and the Nautical Mile. The Earth’s equatorial circumference is n.m. Since the Equator is a great circle, 1 o will subtend an arc of: ÷ = ≈ 60 n.m.

There are meridians of Longitude so it follows that, measuring from the Earth’s centre, the angular distance between adjacent meridians at the Equator is 1 o. In the tables for converting mean latitude to middle latitude, the correction for a mean latitude of 60 o and a difference of latitude of 20 o is +1 o 09’.

So the middle latitude = 61 o The formula for calculating departure using the middle latitude is: Dep. = cos(mid lat) =. Video By: George Ondi (Civil Engineering Technology, Humber College, First Year) Edit By: Mac Palomares (Civil Engineering Technology, Humber College, First.

Click to See Full Template Version 2' Downloads 19 KB File Size August 7, Updated 11 Number of comments ★★★★★ ★★★★★ Rating Download this template for free Get support for this template table of content If you need a calculator to calculate the conversion of Latitude and Longitude from decimals to degrees.

Latitude is a measurement on a globe or map of location north or south of the cally, there are different kinds of latitude— geocentric, astronomical, and geographic (or geodetic)—but there are only minor differences between them.

In most common references, geocentric latitude is implied. A New Artist’s Book Draws From a Life on the Road French artist, Françoise Gilot, opens her travels sketchbooks of Italy, India, and Senegal. Books. This Photographic Tour Takes a Rare Look Inside Pyongyang A new book from Taschen offers an artful glimpse into the.

Latitude of AB = the difference between the north co-ordinates of A and B = – = Departure of AB = the difference between the east co-ordinates of A and B = – = ∴ θ = 43⁰ 41′ Since the latitude is +v and the departure is –ve, the line AB lies in. Distance. This page helps you to calculate great-circle distances between two points using the ‘Haversine’ formula.

The formula assumes that the earth is a sphere, (we know that it is "egg" shaped) but it is accurate enough * for our purposes. Enter the coordinates into the text boxes to try it out. Demonstrated and illustrated in a plain and familiar manner, by a variety of examples. Together with the construction and use of the table of logarithms.

The lines on the plain and Gunter's scales. The table of natural and artificial sines, &c. The table of meridional parts. The table of differences of latitude, and departure. Mid-latitude is labeled N or S to indicate whether it is north or south of the equator.

The expression may refer to the mid-latitude of two places on opposite sides of the equator. In this case, it is equal to half the difference between the two latitudes and. In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.

Latitude is an angle (defined below) which ranges from 0° at the Equator to 90° (North or South) at the poles. Lines of constant latitude, or parallels, run east–west as circles parallel to the de is used together with longitude to specify the precise.A meridional part for any particular latitude is the length along a meridian on a Mercator chart, measured in units of the longitude scale, between the Equator and the parallel of that particular latitude.

It can be extracted from nautical tables. Difference of meridional parts is the difference between the meridional parts for any two latitudes.Several readers have raised questions relating to my post dealing with the Intercept Method.

These questions mostly concern the relationship between altitude and zenith distance and also the relationship between angular distance and the nautical mile. Since several chapters of my book Astro Navigation Demystified are devoted to answering these questions, it is very difficult to cover them in.