 ... terrestrial meridian ; in these a magnetic needle freely suspended, points to the true north, but if it be carried successively to different places on the earth's surface, its direction will deviate sometimes to the east and sometimes to the west...  Geography for the Use of Australian Youth - Page 181by James Bonwick - 1845 - 204 pagesFull view - About this book
 | Mary Somerville - Celestial mechanics - 1831 - 720 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe through all the places where the needle points due north and south, are called lines of no variation, and are extremely complicated. The direction of the needle is not even constant in the same place,... | |
 | Books - 1832 - 650 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe through all the places where the needle points due north and south, are called lines of no variation, and are extremely complicated. The direction of the needle is not even constant in the same place,... | |
 | Mary Somerville - Physical science - 1834 - 390 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe, through all the places where the needle points due north and south, are called lines of no variation, and they are extremely complicated. The direction of the needle is not even constant in the same place,... | |
 | Mary Somerville - Physical sciences - 1834 - 666 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe, through all the places where the needle points due north and south, are called lines of no variation, and they are extremely complicated. The direction of the needle is not even constant in the same place,... | |
 | Benjamin Silliman - 1837 - 118 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe, through all the places where the needle points due north and south, are called lines of no variation, and they are extremely complicated. The direction of the needle is not even constant in the same place,... | |
 | John Leifchild - Christian life - 1849 - 276 pages
...variation of the needle, and was noticed in the year 1500. Lines drawn on the globe through all the places where the needle points due north and south, are called lines of no variation, and they are extremely complicated. Again, an unmagnetized needle, suspended so as to be freely movable... | |
 | Archibald Tucker Ritchie - Cosmogony - 1850 - 678 pages
...sometimes to the east and sometimes to the west of north. Lines drawn on the globe, through all the places where the needle points due north and south, are called lines of no variation, and they are extremely complicated. ..... " The needle is also subject to diurnal variations. In our... | |
 | Thomas Liddell Ainsley - 1880 - 482 pages
...the Variation of the Compaes. Imaginary lines on the surface of the earth, passing through all points where the needle points due north and south, are called Lines of no Variation, and lines passing through all points where the needle is deflected from the geographical meridian are... | |
 | John Bradley Harbord - Naval art and science - 1883 - 472 pages
...makes with the geographical meridian. Imaginary lines on the earth's surface passing through all points where the needle points due north and south, are called Lines of no Variation ; and lines passing through all points where the needle is deflected from the geographical meridian... | |
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