Lunar and Time Tables: Adapted to New, Short, and Accurate Methods for Finding the Longitude by Chronometers and Lunar Distances, [etc.].
Author and published by] J. Imray, 1849
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1st arc 2d arc 8ine Tangent Cosecant altitude was taken apparent altitude Apparent Distance April April 17 April 20 Auxiliary Arc azimuth Barometer Calculation centre Chronometer showed Corr corresponding Cosecant 8ine Tangent daily rate Degrees Departure of Distance Difference of Latitude Ditto elliptical form Example fast of Greenwich February 14 find the correction find the mean fixed star Greenwich mean Half-cosine Half-sine height Hence index error J's Hor July June June 14 June 23 Latitude limb was observed Logarithmic Sines Lunar Distance Marischal College Mathematical meridian distance mnst Moon's horizontal parallax Nautical Almanac nearest limbs noon O's Altitude observer's eye original error Planet prime vertical Proportional Logarithms Refraction Required the Longitude Required the true right ascension semi-diameter sextant ship Sun and Moon Sun's altitude Sun's declination Sun's lower limb Table contains Tangent Cosecant 8ine thns Thomson true altitude True Distance
Page 186 - That is, the sines of the sides of a spherical triangle are proportional to the sines of the opposite angles.
Page 193 - With my best wishes for your success, I remain, MY DEAR SIR, Yours very truly, ALEXANDER ANDERSON, LL.D.
Page 58 - ADD TOGETHER THE LOGARITHMS OF THE SECOND AND THIRD TERMS, AND FROM THEIR SUM SUBTRACT THE LOGARITHM OF THE FIRST...
Page 1 - The civil day, which is that used by the generality of mankind, begins at midnight, and ends at the midnight following : it is divided into two parts of 12 hours each ; the first...
Page 193 - A COLLECTION OF EXAMPLES Of the Applications of the Differential and Integral Calculus, By GEORGE PEACOCK, AMFRS &c.; And of the Applications of the Calculus of Finite Differences, By JFW HERSCHEL, AMFRS &c.
Page iii - I cannot adequately express, the letter which you did me the honour to address to me on the 22nd instant.
Page 1 - The civil day, which is that adopted for the usual purposes of business, begins at midnight, and ends at the midnight following ; it is divided into two parts of 12 hours each ; the first 12 are marked AM, signifying ante meridiem, ie before the meridian or noon; and the other 12 are marked PM, signifying post meridiem, ie after the meridian or noon.