Descriptive Geometry, as Applied to the Drawing of Fortification and Stereotomy: For the Use of the Cadets of the U.S. Military AcademyJ. Wiley & son, 1873 - 60 páginas |
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Página 9
... cone may be represented by the projection and reference of any curve cut from it by a horizontal plane , with the projection and refer- ence of its vertex ; a cylinder by the projection and reference of a like curve , with the ...
... cone may be represented by the projection and reference of any curve cut from it by a horizontal plane , with the projection and refer- ence of its vertex ; a cylinder by the projection and reference of a like curve , with the ...
Página 10
... cone , with a given vertex , which shall envelope a given surface . Let ( 10.0 ) , & c . , be the horizontals of the given surface ; and a ( 6.0 ) the projection of the vertex of the cone . From a , draw lines ab , ab ' , & c . , as the ...
... cone , with a given vertex , which shall envelope a given surface . Let ( 10.0 ) , & c . , be the horizontals of the given surface ; and a ( 6.0 ) the projection of the vertex of the cone . From a , draw lines ab , ab ' , & c . , as the ...
Página 11
... cone which shall envelope the given surface , the elements of this cone can be found by Probs . 11 and 12. Any plane tangent to this cone , which does not intersect the surface within the given limits , will satisfy the conditions of ...
... cone which shall envelope the given surface , the elements of this cone can be found by Probs . 11 and 12. Any plane tangent to this cone , which does not intersect the surface within the given limits , will satisfy the conditions of ...
Página 12
... cone within each of the other two angles . It is therefore evident that a plane , which shall satisfy the conditions imposed , must leave all that portion of the cone which lies above the horizontal plane ( 8.0 ) through the vertex ...
... cone within each of the other two angles . It is therefore evident that a plane , which shall satisfy the conditions imposed , must leave all that portion of the cone which lies above the horizontal plane ( 8.0 ) through the vertex ...
Página 13
... cone enveloping the surface ; a plane passed through the line and tangent to the cone will be tangent to the surface . Find , by Probs . 10 and 11 , the projection mrn of the curve cut from this cone by the horizontal plane ( 8.0 ) ...
... cone enveloping the surface ; a plane passed through the line and tangent to the cone will be tangent to the surface . Find , by Probs . 10 and 11 , the projection mrn of the curve cut from this cone by the horizontal plane ( 8.0 ) ...
Outras edições - Ver tudo
Descriptive Geometry: As Applied to the Drawing of Fortification and ... Dennis Hart Mahan Visualização integral - 1872 |
Descriptive Geometry: As Applied to the Drawing of Fortification and ... Dennis Hart Mahan Visualização integral - 1868 |
Descriptive Geometry: As Applied to the Drawing of Fortification and ... Dennis Hart Mahan Visualização integral - 1864 |
Palavras e frases frequentes
allel angle assumed vertical plane axis barbette batir block bounding element bounding lines Cameron Knight cloth cone construct the projections corresponding curve of right D. H. Mahan determined developed draw a line edition example face foot generatrix given plane given point given vertical plane groin stone height helicoidal surface horizontal curves horizontal distance horizontal plane horizontal projection horizontal trace interior crest John Ruskin Join the points joint of right line parallel morocco oblique projecting obtained perpendicular plane of comparison plane of reference plane of right plates portion Prob Prof projection in plan prolonged radiant arch radius ramp rampart-slope respectively equal revolved position right conoid right line right section scale of declivity semi circular arch semi ellipse semicircle side slopes soffit tangent plane terre-plein tical tion top surface TREATISE true dimensions true length vertex voussoir warped surfaces wing wall
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