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" In this case so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50'. "
An elementary treatise on astronomy - Page 28
by Robert Woodhouse - 1821
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Containing the theories of the fixed stars. 1821

Robert Woodhouse - 1821 - 490 pages
...minutes, and 59 of such equal parts are made equal to 60 divisions of their verniers. In this case , 60 60 so that, with such instruments, you can read...equal to 15 of the vernier. In these instruments then " " - 15 ~ 15 ~ ' and the space occupied by the vernier, is, at the least, equal to 3° 30'. 54 size...
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A Treatise on Mathematical Instruments ...

John Fry Heather - 1849 - 202 pages
...divisions of their verniers. In this case ^ 10' L ~ v = 60 = 6(7 = 10"; so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50'*. The limbs of small theodolites...
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The American House Carpenters' and Joiners' Assistant: Being a New and Easy ...

Lucius D. Gould - 1853 - 234 pages
...parts are made equal to 60 divisions of their verniers. In this case so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50'. The limbs of small theodolites...
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The American House Carpenters' and Joiners' Assistant

Lucius D. Gould - 1857 - 464 pages
...their verniers. In this case 14 10 L — V = — = — = 10' 60 60' so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occuj¿y on the limbs spaces equal to 9° 50'. The limbs of small theodolites...
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A Treatise on Mathematical Instruments: Including Most of the Instruments ...

John Fry Heather - 1859 - 198 pages
...60 divisions of their verniers. In this case L 10' L~V=6<r60' = 10' so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50' *. * That is, according to the...
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Treatise on Mathematical Instruments: Their Construction, Adjustment ...

John Fry Heather - 1866 - 228 pages
...are made equal to 60 divisions of their verniers. In this case L 10' so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50' *. * That is, according to the...
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Mathematical Instruments: Their Construction, Adjustment, Testing ..., Volume 1

John Fry Heather - 1871 - 236 pages
...are made equal to 60 divisions of their verniers. In this case L 10, so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50-.* The limbs of circular protractors...
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Spons' Dictionary of Engineering, Civil, Mechanical, Military, and ..., Volume 8

Edward Spon, Oliver Byrne, Ernest Spon, Francis N. Spon - 1874 - 460 pages
...divisions of their verniers. In this case L — V = — _ = — , = 10" ; so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs space» equal to 9° 50'. That is, according to the graduation...
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Mathematical Instruments: Their Construction, Adjustment, Testing and Use ...

John Fry Heather - 1884 - 566 pages
...parts are made equal to 60 divisions of their verniers. In this case so that these instruments can be read off by the aid of their verniers to an accuracy of 10 seconds. The verniers occupy on the limbs spaces equal to 9° 50'.* The limbs of circular protractors...
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