Knowledge: An Illustrated Magazine of Science, Volumen81885 |
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Página 7
... obtained ( or may be obtained , for in practice the use of a table of natural sines is far more convenient ) by the construction shown on next page . Let the equal straight lines AOB , COD ( Fig . 1 ) inter- sect at right angles in O ...
... obtained ( or may be obtained , for in practice the use of a table of natural sines is far more convenient ) by the construction shown on next page . Let the equal straight lines AOB , COD ( Fig . 1 ) inter- sect at right angles in O ...
Página 8
... obtained on this principle , only that instead of the geometrical construction just given , I simply took out the natural cosines of 5 ° , 10 ° , 15 ° , & c . , to represent the radii of the parallels having polar distances 10 ° , 20 ...
... obtained on this principle , only that instead of the geometrical construction just given , I simply took out the natural cosines of 5 ° , 10 ° , 15 ° , & c . , to represent the radii of the parallels having polar distances 10 ° , 20 ...
Página 16
... obtained by the British Expeditions ; with 20 Plates ( 12 Coloured ) and 38 Woodcuts . Crown 8vo . , 8s . 6d . STUDIES OF VENUS - TRANSITS ; an Investigation of the Circum- stances of the Transits of Venus in 1874 and 1882. With 7 ...
... obtained by the British Expeditions ; with 20 Plates ( 12 Coloured ) and 38 Woodcuts . Crown 8vo . , 8s . 6d . STUDIES OF VENUS - TRANSITS ; an Investigation of the Circum- stances of the Transits of Venus in 1874 and 1882. With 7 ...
Página 18
... obtain from heads of families statistics about the development of children in height , weight , & c . , at various ... obtained in a systematic manner . They are the heights in " stocking - feet " ( to use an absurd expression ) , and ...
... obtain from heads of families statistics about the development of children in height , weight , & c . , at various ... obtained in a systematic manner . They are the heights in " stocking - feet " ( to use an absurd expression ) , and ...
Página 22
... obtained by comparing the results of wearing different kinds of clothing upon the general health of large bodies of men whose occupations and other conditions of existence are sufficiently similar to admit of fair comparison ...
... obtained by comparing the results of wearing different kinds of clothing upon the general health of large bodies of men whose occupations and other conditions of existence are sufficiently similar to admit of fair comparison ...
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