The Encyclopædia Britannica, Or, Dictionary of Arts, Sciences, and General Literature, 16. köideAdam & Charles Black, 1858 |
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Page 11
... feet nearly . But although the line and glass be at any time perfectly adjusted to each other , yet as the line ... feet . Let a be the measured interval between the knots in feet , and d and d the true , and measure distances as before ...
... feet nearly . But although the line and glass be at any time perfectly adjusted to each other , yet as the line ... feet . Let a be the measured interval between the knots in feet , and d and d the true , and measure distances as before ...
Page 34
... feet above the surface , BH ' touching the surface at H ' ; then BH ' is the plane of the sensible horizon ; S a ... feet 6120 × 3958 . X d2 may be ne- RE Hence ACH ' in seconds = 57 · 29577 × 60 × 60 × 2d 6120 × 3958 Hence , putting d ...
... feet above the surface , BH ' touching the surface at H ' ; then BH ' is the plane of the sensible horizon ; S a ... feet 6120 × 3958 . X d2 may be ne- RE Hence ACH ' in seconds = 57 · 29577 × 60 × 60 × 2d 6120 × 3958 Hence , putting d ...
Page 40
... feet ; to find the sun's true altitude . Observed altitude ..... Index correction Dip Sun's apparent diameter ... feet ; required the moon's true altitude . August 24. Time at ship Longitude Greenwich date , August 24 Moon's semidiameter ...
... feet ; to find the sun's true altitude . Observed altitude ..... Index correction Dip Sun's apparent diameter ... feet ; required the moon's true altitude . August 24. Time at ship Longitude Greenwich date , August 24 Moon's semidiameter ...
Page 41
... feet ; Finding +0 4 10 60 24 40 required the latitude . Observed altitude Dip ......... Semidiameter ...... Correction in altitude .0 3 7 60 21 33 0 16 18.2 60 37 51.2 0 28 60 37 23-2 90 0 0 Index ........ Dip ........ Correction in ...
... feet ; Finding +0 4 10 60 24 40 required the latitude . Observed altitude Dip ......... Semidiameter ...... Correction in altitude .0 3 7 60 21 33 0 16 18.2 60 37 51.2 0 28 60 37 23-2 90 0 0 Index ........ Dip ........ Correction in ...
Page 52
... feet , denoted by a in Table II . , part 1 , and that of the neap 14 feet , by b . Now , by Table II . , part 1 , to transit 15h 2m , and horizontal pa- rallax 60 ' 30 " , will be obtained 0-917 × 19 + 0 · 242 × 14 = 20 · 8 feet . water ...
... feet , denoted by a in Table II . , part 1 , and that of the neap 14 feet , by b . Now , by Table II . , part 1 , to transit 15h 2m , and horizontal pa- rallax 60 ' 30 " , will be obtained 0-917 × 19 + 0 · 242 × 14 = 20 · 8 feet . water ...
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altitude amount ancient angle appear banks Bonar Bridge British built called canal Captain carried Cawnpore channel chief church coast command commenced compass consists contains course depth difference of latitude distance Dornoch Firth England extends feet fleet Greenwich Greenwich mean guns harbour haversine hour angle island king lake land length longitude Lord low-water Lucknow manufactures mean ment meridian miles mountains native Nautical Almanac naval navigation navy nearly Nelson Nepaul Neuchâtel newspapers Newton Niebuhr Nièvre Nineveh North Norway Nova Scotia observed officers papers parallax period population port principal province published rebels reign right ascension rise river Roman Royal Royal Navy sail sextant ship's ships side square miles tidal tide timber tion tonnage town trade true diff velocity vessels vols whole York Zealand