A Treatise on Trigonometry, Plane and Spherical: With Its Application to Navigation and Surveying, Nautical and Practical Astronomy and Geodesy : with Logarithmic, Trigonometrical, and Nautical Tables, for the Use of Schools and Colleges |
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Page 48
... Hour A. M. and P. M. are connected with Nautical and Practical Astronomy , and will be explained under the proper head . + For the reason mentioned in note p . 33 , the paging of the tables will be found to exhibit gaps . 3. Required ...
... Hour A. M. and P. M. are connected with Nautical and Practical Astronomy , and will be explained under the proper head . + For the reason mentioned in note p . 33 , the paging of the tables will be found to exhibit gaps . 3. Required ...
Page 124
... A. M. or P. M. It is what is called apparent time , which varies a little from mean time , the time given by the clocks , in consequence of the slightly unequal motion of the sun in its annual revolution . The hour angle of a star is ...
... A. M. or P. M. It is what is called apparent time , which varies a little from mean time , the time given by the clocks , in consequence of the slightly unequal motion of the sun in its annual revolution . The hour angle of a star is ...
Page 139
... an ambiguity in the result similar to that of Art . 81 , and the trouble of ... PM = 90 Ā° . 4 Ā° 5 ' 40 " 4 PP'M 270 Ā° long . of M = PM 90 Ā° D " latitude ... hours is nearly 180 Ā° , which fixes its place in the diagram . + The ...
... an ambiguity in the result similar to that of Art . 81 , and the trouble of ... PM = 90 Ā° . 4 Ā° 5 ' 40 " 4 PP'M 270 Ā° long . of M = PM 90 Ā° D " latitude ... hours is nearly 180 Ā° , which fixes its place in the diagram . + The ...
Page 155
... 99896 99900 99904 99909 998 99913 99917 99922 99926 999 99957 99961 99965 99970 No. 0 1 2 99930 99935 99939 99944 99948 99952 99974 99978 99983 99987 99991 99996 3 4 5 6 7 8 9 12 13 345623 0 Ā° M Hour A.M. Hour P.M. Page 184 ] TABLE XXVI .
... 99896 99900 99904 99909 998 99913 99917 99922 99926 999 99957 99961 99965 99970 No. 0 1 2 99930 99935 99939 99944 99948 99952 99974 99978 99983 99987 99991 99996 3 4 5 6 7 8 9 12 13 345623 0 Ā° M Hour A.M. Hour P.M. Page 184 ] TABLE XXVI .
Page 156
... Hour A.M. Hour P.M. 012 O O 00 TABLE XXVII . Log . Sines , Tangents , and Secants . Sine . Diff . 1 Cosecant . Tangent . Diff . 1'Cotangent 179 Ā° Secant . Cosine . M 111 59 52 O 2 59 44 59 36 O 16 0 24 o Inf . Neg . Infinite . 86.46373 ...
... Hour A.M. Hour P.M. 012 O O 00 TABLE XXVII . Log . Sines , Tangents , and Secants . Sine . Diff . 1 Cosecant . Tangent . Diff . 1'Cotangent 179 Ā° Secant . Cosine . M 111 59 52 O 2 59 44 59 36 O 16 0 24 o Inf . Neg . Infinite . 86.46373 ...
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Common terms and phrases
A.M. Hour P.M. altitude azimuth centre circle colatitude collimation column comp cosĀ² cosc Cosecant Cotangent Diff Cotangent Secant course decimal declination departure determined diagram difference of latitude difference of longitude distance divided equal equation error EXAMPLE expressed feet formula Geom given number hence horizontal Hour A.M. Cosine Hour A.M. Hour hour angle hypothenuse instrument Logarithms of Numbers longitude meridian miles multiplied Napier's rules Natural Sines Nautical Almanac negative number of degrees observed obtained parallel parallel sailing perpendicular plane sailing plane triangle Prop proportion quadrant quotient radius right angled triangle right ascension sailed screw second member ship side opposite siderial sin a cos sin a sin sinĀ² sine and cosine solution sphere spherical triangle spherical trigonometry spirit level star subtracting supporting axis TABLE XXVII tangent telescope transit trigonometrical lines vertical zenith