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 xiv
... PARALLEL SAILING , Examples and exercises , Ā· THEORY OF MIDDLE LATITUDE SAILING , Use of Workman's Tables , Examples and exercises , 203 204 205 206 208 209 210 211 214 ib . 216 217 219 ib . Page 221 THEORY OF MERCATOR'S SAILING ...
... PARALLEL SAILING , Examples and exercises , Ā· THEORY OF MIDDLE LATITUDE SAILING , Use of Workman's Tables , Examples and exercises , 203 204 205 206 208 209 210 211 214 ib . 216 217 219 ib . Page 221 THEORY OF MERCATOR'S SAILING ...
Page 4
... parallel lines drawn along a ruler in sufficient number to embrace 10 spaces between them . Transverse lines are drawn perpendicularly to these at intervals usually but not necessarily equal to the whole breadth of the 10 spaces . The ...
... parallel lines drawn along a ruler in sufficient number to embrace 10 spaces between them . Transverse lines are drawn perpendicularly to these at intervals usually but not necessarily equal to the whole breadth of the 10 spaces . The ...
Page 24
... parallel , and are therefore similar , we have the proportion , * or , whence , MP CD : CP : DE sin a : R :: cos a : cot a R COS a cot a = sin a when R = 1 COS cot = sin 35. The same triangles give also the proportion MP DC : CM : CE or ...
... parallel , and are therefore similar , we have the proportion , * or , whence , MP CD : CP : DE sin a : R :: cos a : cot a R COS a cot a = sin a when R = 1 COS cot = sin 35. The same triangles give also the proportion MP DC : CM : CE or ...
Page 124
... parallel to this through the centre of the earth . When any of the fixed stars are in question , the distances of which from the earth are so great that its radius is as nothing comparatively , these two horizons may be regarded as coin ...
... parallel to this through the centre of the earth . When any of the fixed stars are in question , the distances of which from the earth are so great that its radius is as nothing comparatively , these two horizons may be regarded as coin ...
Page 149
... parallel to it underneath . The latter is sustained above the supporting axis by two long feet with notches at their bottoms , by means of which it stands upon the pivots of the axis . First , to adjust the spirit level itself , place ...
... parallel to it underneath . The latter is sustained above the supporting axis by two long feet with notches at their bottoms , by means of which it stands upon the pivots of the axis . First , to adjust the spirit level itself , place ...
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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