The Earth's Axes and Triangulation |
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Common terms and phrases
A₁ accordingly adjustment angles angular Elevation approximation Aw cot azimuth azimuth observations azimuth or Meridian B₁ Bangalore Base-line Bolarum CHANGES OF AXES CHANGES OF ORIGIN Chapter circuit closing errors closure coefficients Colaba computed conditions-E considered coordinates correct corresponding cosec coso cota Deflection of Plumb-line Dehra Dun Depression of observed Easterly or Northerly equations figures Geodetic Value geoid geoidal given Hand Side HELMERT'S SPHEROID Indian triangulation Isostasy Jalpaiguri k₁ k₂ Kalianpur Karachi Kudankulam Laplace stations Laplace's equation latitude longitude longitude observationst meridian metres multiplied Name and angular Northerly Deflection observed station A-G plumb-line deflection Plumb-line EVEREST'S SPHEROID prime vertical probable errors Quadrilateral quantities route Serial sign indicates Easterly sino solution spherical excess TABLE Deflections Tashkent tion in Vertical triangulation line U₁ UF UF UF Vertical Meridian Vide δα δν
Popular passages
Page i - J. DE GRAAFF HUNTER, MA, MATHEMATICAL ADVISER TO THE SURVEY OF INDIA PUBLISHED BY ORDER OF THE GOVERNMENT OF INDIA.
Page 77 - Hence it appears at once that the observation of the difference of longitude gives us no information that is not also given by the observation of azimuth ; it affords however a check upon the work.
Page 111 - X, Y are the coordinates of the centre of gravity of the line 2.
Page 219 - From the Publishers (Macmillan and Co.) The Quadrature of the Circle ; Correspondence between an Eminent Mathematician and James Smith. Esq., Member of the Mersey Docks and Harbour Board.
Page 99 - The equations for 77 and e accordingly have to be solved subject to the condition that the sum of the squares of the corrections multiplied by their weights is a minimum.
Page 41 - A = pd\ where p is the radius of curvature of the meridian and v is the normal terminated by the minor axis.