Elements of Descriptive GeometryMacmillan and Company, 1878 - 202 páginas |
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Página 82
... revolving about AB ; the points d , f , & c . , come to d ' , f ' , & c . , and their horizontal projections , lying on the lines dc , fr , & c . perpendicular to ab , are d , f , g , e , & c . The curve traced through these points is ...
... revolving about AB ; the points d , f , & c . , come to d ' , f ' , & c . , and their horizontal projections , lying on the lines dc , fr , & c . perpendicular to ab , are d , f , g , e , & c . The curve traced through these points is ...
Página 111
... revolving about one of its sides fulfils these conditions , and is the common way of defining this surface . Every point of the generator describes a circle having its plane perpendicular to the axis , which passes through its centre ...
... revolving about one of its sides fulfils these conditions , and is the common way of defining this surface . Every point of the generator describes a circle having its plane perpendicular to the axis , which passes through its centre ...
Página 130
... the directrix are given . A cylinder of revolution is generated by a straight line revolving about an axis parallel to it . Every point of the B 130 DESCRIPTIVE GEOMETRY . To find the development of a given conical surface THE CYLINDER.
... the directrix are given . A cylinder of revolution is generated by a straight line revolving about an axis parallel to it . Every point of the B 130 DESCRIPTIVE GEOMETRY . To find the development of a given conical surface THE CYLINDER.
Página 132
J. B. Millar. revolving line describes a circle whose plane is at right angles to the axis , hence it is also called a right circular cylinder . A cylinder may be regarded as the limit of a cone of which the vertex is at an infinite ...
J. B. Millar. revolving line describes a circle whose plane is at right angles to the axis , hence it is also called a right circular cylinder . A cylinder may be regarded as the limit of a cone of which the vertex is at an infinite ...
Página 140
... revolving about the axis . A surface of revolution will be considered as given when its axis and a meridian are given . 3. At any point B of the surface the tangent BT to the parallel , being perpendicular to the axis ( Theor . III . Ch ...
... revolving about the axis . A surface of revolution will be considered as given when its axis and a meridian are given . 3. At any point B of the surface the tangent BT to the parallel , being perpendicular to the axis ( Theor . III . Ch ...
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Términos y frases comunes
abcd auxiliary planes axes BALFOUR STEWART centre common section cone of revolution conical surface Construction contain a given contains the line Crown 8vo curve of intersection describes a circle determine the traces diameter dihedral angles distance draw a line draw a tangent Draw the projections drawn edge ELEMENTARY TREATISE ellipse equal faces Fcap figure find the point find the projections find the traces given line given point given spheres ground line horizontal plane horizontal projection horizontal trace hyperboloid inclined at 45 limiting planes meridian numerous Illustrations Owens College P. G. TAIT pendicular perpendicular plane containing plane LMN plane of projection plane parallel plane required point of intersection position Prob PROBLEM Professor Proof rabatment radius required to find respectively revolving right angles ruled surface straight line surface of revolution tangent plane Theor THEOREM tion trihedral vertex vertical plane vertical projection vertical trace
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