 | 1888 - 870 หน้า
...on its accuracy the value of the instrument depends. It must be in the meridian plane, and must make an angle with the horizon equal to the latitude of the place. The latter condition will offer no difficulty, but the exact determination of the meridian plane which... | |
 | 1890 - 918 หน้า
...on its accuracy the value of the instrument depends. It must he in the meridian plane, and most make an angle with the horizon equal to the latitude of the place. The latter condition will offer no difficulty, but the exact determination of the meridian plane which... | |
 | William Thomas Allder Emtage - 1896 - 368 หน้า
...which is set parallel to the earth's axis, this being done by setting it in the meridian, and to make an angle with the horizon equal to the latitude of the place. The mirror can be firmly attached to this axis, and is set so that its normal makes an angle with it... | |
 | Harry Forbes Witherby - 1896 - 374 หน้า
...which is set parallel to the earth's axis, this being done by setting it in the meridian, and to make an angle with the horizon equal to the latitude of the place. The mirror can be firmly attached to this axis, and is set so that its normal makes an angle with it... | |
 | 1910 - 1038 หน้า
...front of farmstead or garden. wall — ment depends. It must be in the meridian plane, and must make an angle with the horizon equal to the latitude of the place. The latter condition will offer no difficulty, but the exact determination of the meridian plane which... | |
 | 1910 - 1038 หน้า
...on its accuracy the value of the instrument depends. It must be in the meridian plane, and must make an angle with the horizon equal to the latitude of the place. The latter condition will offer no difficulty, but the exact determination of the meridian plane which... | |
 | Hugh Chisholm - 1910 - 1044 หน้า
...on its accuracy the value of the instrument depends. It must be in the meridian plane, and must make an angle with the horizon equal to the latitude of the place. The latter condition will offer no difficulty, but the exact determination of the meridian plane which... | |
 | Royal Astronomical Society of Canada - 1919 - 1112 หน้า
...graphically or mathematically. The rod, or stylus or gnomon, is placed in the plane of the meridian and at an angle with the horizon equal to the latitude of the place. Obviously when the sun is in the meridian it is 12 o'clock sun time, or solar time or, as astronomers... | |
 | James Evans - 1998 - 510 หน้า
...horizontal line El that represents the horizon. Draw the axis ZQ of the universe through A so that it makes an angle with the horizon equal to the latitude of the place for which you wish to construct the sundial. The axis intersects the meridian at point Q, above the... | |
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... is, in the plane of the meridian, and making an angle with the horizon equal to the latitude of the place. 
