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" ... the two cardinal points of your compass the point of the needle lies between (the north, south, east, and west being called the four cardinal points, and are graved on the bottom of the box), putting down those points together by their initial letters,... "
A Treatise on Practical Surveying: Which is Demonstrated from Its First ... - Σελίδα 177
των Robert Gibson - 1818 - 478 σελίδες
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A Treatise of Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1806 - 452 σελίδες
...putting down those points together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus...and west, south and east, or south and west points tn the bottom of the box, then put down NE, NW, SE, or SW, annexing thereto the number of degrees cut...

A Treatise of Practical Surveying, ...

Robert Gibson - 1808 - 440 σελίδες
...putting down those points together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus...NE, NW, SE, or SW, annexing thereto the number of degrees cut by the needle on the side of the ring, counting from the north or south, as before. But...

An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - 1810 - 420 σελίδες
...to her departure, or meridional distance. (P) If a ship be steered towards any point of the jiorizon between the north and east, north and west, south and east, or south and west; the track she describes will be a Rhumb line. (Q) A Rhumb line is a curve upon the surface of the sphere,...

The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 508 σελίδες
...putting down those points, together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus ; if the point of your needle lios between the north and east, north and west, soutli and east, or south and west points in the battom...

The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1814 - 508 σελίδες
...putting down those points, together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus;...north and west, south and east, or south and west poinl^ in the bottom of the box, tben put down NE, NW, SE, or SW, annexing thereto the number of degrees...

The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1821 - 544 σελίδες
...putting down those points, together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus...NE, NW, SE, or SW, annexing thereto the number of degrees cut by the needle on the side of the ring, counting from the north or south as before. But...

An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - 1826 - 442 σελίδες
...to her departure, or meridional distance. (P) If a ship be steered towards any point of the horizon between the north and east, north and west, south and east, or south and west ; the track she describes will be a Rhumb line. (Q) A Rhumb line is a curve upon the surface of the...

The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1832 - 348 σελίδες
...putting down those points together by their initial letters, and thereto annexing the number of degrees, counting from the north or south, as before, thus...NE, NW, SE, or SW, annexing thereto the number of degrees cut by the needle on the side of the ring, counting from the north or south, as before. But...

An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839
...her departure, or meridional distance. (663) If a ship be steered towards any point of the horizon between the north and east, north and west, south and east, or south and west, the track she describes will be a Rhumb line. (664) A rhurrdi lint is a curve upon the surface of the...

Magnetism and Deviation of the Compass: For the Use of Students in ...

John Merrifield - 1876 - 126 σελίδες
...find the deviation at the second place for the ship's head on any two adjacent cardinal points, as north and east, north and west, south and east, or south and west ; but great care must be taken that the ship is upright during the operation at either north or south....




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