Dictionary of the Mathematical and Physical Sciences, According to the Latest Improvements and Discoveries |
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Page 14
... altitude at which the surrounding air is of the same specific gravity with itself . an aperture at the bottom , the air was rarefied , and the bag ascended to the height of 70 feet . Various experiments were now made upon a large scale ...
... altitude at which the surrounding air is of the same specific gravity with itself . an aperture at the bottom , the air was rarefied , and the bag ascended to the height of 70 feet . Various experiments were now made upon a large scale ...
Page 28
... altitude of bodies , viz . by Geometry , Trigo- nometry , by Optical Reflection , by means of the Barometer , & c . The instruments commonly used in measuring altitudes , are , the Geometrical Square , Quadrant , and Theodolite ; a ...
... altitude of bodies , viz . by Geometry , Trigo- nometry , by Optical Reflection , by means of the Barometer , & c . The instruments commonly used in measuring altitudes , are , the Geometrical Square , Quadrant , and Theodolite ; a ...
Page 28
... . B Fig.5 . Fig . 3 . ALTITUDES . B C G Fig . Fig . 6 . Fig . 2 . B Plate 1 . H Fig.7 . T Fig . 8 . Fig.9 . 184 Fig.10 . Fig.11 . D Fig.12 . AAA Nede & Son ic . Strand . distance + c , c being the dis- tance between Fig.5. ...
... . B Fig.5 . Fig . 3 . ALTITUDES . B C G Fig . Fig . 6 . Fig . 2 . B Plate 1 . H Fig.7 . T Fig . 8 . Fig.9 . 184 Fig.10 . Fig.11 . D Fig.12 . AAA Nede & Son ic . Strand . distance + c , c being the dis- tance between Fig.5. ...
Page 29
... altitude required . = AB , If the object be inaccessible , but still such that the difference of the lengths of its shadows , taken at two different times , can be ascertained , the altitude may be found nearly the same as in the last ...
... altitude required . = AB , If the object be inaccessible , but still such that the difference of the lengths of its shadows , taken at two different times , can be ascertained , the altitude may be found nearly the same as in the last ...
Page 30
... altitude BA . that we are acquainted with . To measure an accessible Object Trigonometrically . ( Plate I. fig . 5. ) Let AB be the object of which the altitude is required . ment of the Puy de Domme , which | progression. CA X FG EF ...
... altitude BA . that we are acquainted with . To measure an accessible Object Trigonometrically . ( Plate I. fig . 5. ) Let AB be the object of which the altitude is required . ment of the Puy de Domme , which | progression. CA X FG EF ...
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Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |
Dictionary of the Mathematical and Physical Sciences: According to the ... James Mitchell No preview available - 2017 |
Common terms and phrases
absciss Algebra altitude appears Arithmetic Astronomy axis body called centre circle co-efficients conic sections consequently cosine cube cubic equation curve cycloid cylinder degree denominator denote diameter distance diurnal motion divided divisor earth ecliptic ellipse equa equal equation feet figure fluid fluxion force formula fraction frustrum Geometry given glass gravity greater greatest heat Hence horizon hyperbola inches instrument latitude length less logarithm longitude means measure mercury meridian method moon motion multiplied object observed orbit ordinate parabola parallax parallel passing perihelion perpendicular plane poles produced proportion quantity radius ratio rays refraction right angles right ascension right line roots side signs sine solid space specific gravity sphere spherical square stars subtangent supposed surd surface tance tang tangent telescope tion triangle tube velocity weight whence wind