Geographic Tables and Formulas (Classic Reprint)

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Excerpt from Geographic Tables and FormulasLetter of transmittal Rules for solution of.right-angled triangles Reduction to center Graphic reduction to center Solution of triangles, two sides and included angle being given Three-point problem Graphic solution of the three-point problem Method of fixing a meridian at any time by hour angle Tables Polaris: times of culmination and elongation Polaris: azimuth at elongation Polaris: azimuths at different hour angles Polaris: azimuths and altitudes at different hour angles Projections for large areas Projections: scale walrus, latitudes 0° to 80° Projections: scale meg-w, latitudes 0° to 80° Projections: scale gfim, latitudes 25° to 50° Projections: scale Ifim, latitudes 26° to 50° Projections: scale 17556: latitudes 25° to 50° Areas of quadrilaterals, 30' extent, latitudes 0° to 90° Areas of quadrilaterals, 15' extent, latitudes 0° to 90° 13. Areas of quadrilaterals, 10' extent, latitudes 0° to 90° 14. For conversion of are into time 15. For conversion of time into arc 16. For conversion of mean time into sidereal time 17. For conversion of sidereal time into mean time 18. For interconversion of feet and decimals of a mile 19. For conversion of Wheel revolutions into decimals of a mile 20. Five-place logarithms of natural numbers 21. Five-place logarithms of circular functions expressed in arc and time 145 22. Geodetic position computations 23. Log. M, for use ln computing spherical excess 24. Mean refraction 25. Corrections for curvature-and refraction 26. For obtaining differences of altitude 27. Horizontal distances and elevations from stadia readings 28. For converting metric into United States measures 29. For converting United States measures into metric 30. For interconversion of miles and logarithms of meters Convenient equivalents Constants Linear expansionof metals.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.