Tables of Logarithms of Numbers and of Sines and Tangents for Every Ten Seconds of the Quadrant: With Other Useful TablesHarper & Bros., 1862 - 150 pàgines |
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13 Degrees 21 Degrees 29 Degrees 33 Degrees 36 Degrees 54 Degrees 65 Degrees 72 Degrees 85 Degrees 9 II 9 ΙΟ A-log A+ log analytical geometry arc corresponding arithmic bottom College column headed computed corresponding to logarithmic cosecant cosine of 59 difference of latitude Dist Edition ELIAS LOOMIS expressed in seconds fifth figure find the arc find the Logarithm given number H H H H T H latitude and departure leading figures logarithmic cosine logarithmic cotangent logarithmic sine logarithmic tangent LOGARITHMS OF NUMBERS Loomis's Natural Philosophy manner we find Marietta College middle latitude Natural Co-sines Natural Co-tangents natural number natural sines number of seconds prefixed Prof proportional quadrant radius Required the logarithmic secant Sheep extra sine of 24 Sine or Tangent sines and tangents TABLE OF LOGARITHMIC table of natural tabular difference tabular number tangent of 73 tivate treatise vertical column Vulgar Fraction ΙΟΙ
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Pàgina 5 - Thus the meridional parts for latitude 12° 23' are 748.9; " " " 57° 42' are 4260.5. TABLE OF CORRECTIONS TO MIDDLE LATITUDE, p. 149. This table is used in Navigation for correcting the middle latitude The given middle latitude is to be found either in the first or last vertical column, opposite to which, and under the given difference of latitude, is inserted the proper correction in minutes, to be added to the middle latitude to obtain the latitude in which the meridian distance is accu rately...
Pàgina 6 - In the following Table, the first two figures, in the first column of Logarithms, are to be prefixed to each of the numbers, in the same horizontal line, in the next nine columns; but when a point (•) occurs, a 0 is to be put in its place, and the Itco initial figures are to be taken from the next line below.