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An 8-point compass rose is a prominent feature in the logo of the Seattle Mariners Major League Baseball club. Hong Kong Correctional Services's crest uses a four-pointed compass rose. The compass rose is used as the symbol of the worldwide Anglican Communion of churches. [22] A 16-point compass rose was IBM's logo for the System/360 product line.
A compass rose is a figure displaying the orientation of the cardinal directions, north, south, east and west on a map or nautical chart. It is also the term for the graduated markings found on the traditional magnetic compass .
Replica of a compass rose from the chart of Jorge de Aguiar (1492), the oldest known signed and dated Portuguese nautical chart. It is a 32 point compass rose, meaning that the lines that irradiate from its centre indicate 32 different geographic directions. The original chart is in the Beinecke Library, Yale University, USA. Reason
On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points. Most charts include a compass rose depicting the variation between magnetic and true north. However, the use of the Mercator projection has drawbacks. This projection shows the lines of longitude as parallel.
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
A modern nautical compass rose. The outer circle (true rose) is aligned with true north; the inner circle (magnetic rose) with magnetic north. Inside the magnetic rose there is also an older 32-point graduation. Date: 15 August 2007: Source: Redrawn in Inkscape; based on a public domain file created by NOAA. Author: Mysid
To calculate on a portolan chart the course to follow from a point of origin to a point of destination, one should transfer — using a parallel rule — the "line of course" drawn from the point of origin to the point of destination, on top of the windrose line on the compass rose closest to the ship's position, obtaining on it the theoretical course to be followed when sailing towards the ...
English: replica of compass rose in Pedro Reinel's nautical chart of 1504. It is the first known wind-rose to clearly represent the fleur-de-lys. The practise was adopted in other nautical charts and survived till today.
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