Elements of Descriptive GeometryMacmillan and Company, 1878 - 202 páginas |
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Página 20
... trace , and B the vertical trace . The straight lines LR and SN ( fig . 5 ) are the ver- tical and horizontal traces of the plane LMN ; bce ( fig . 3 ) is the horizontal trace of the surface BCEecb , and b'c'e ' the vertical trace of ...
... trace , and B the vertical trace . The straight lines LR and SN ( fig . 5 ) are the ver- tical and horizontal traces of the plane LMN ; bce ( fig . 3 ) is the horizontal trace of the surface BCEecb , and b'c'e ' the vertical trace of ...
Página 22
... trace of that projecting plane with the other co - ordinate plane must be perpendicular to the ground line . Any two ... vertical plane about the ground line as an axis till it coincides with the horizontal plane , the motion being in the ...
... trace of that projecting plane with the other co - ordinate plane must be perpendicular to the ground line . Any two ... vertical plane about the ground line as an axis till it coincides with the horizontal plane , the motion being in the ...
Página 24
... vertical traces re- spectively of the straight line AB ; it is required to find its projections . Construction ... trace of the given line . To find the horizontal trace A , produce Ba ' to meet the ( V ) ( ED ( V ) M ( 24 DESCRIPTIVE ...
... vertical traces re- spectively of the straight line AB ; it is required to find its projections . Construction ... trace of the given line . To find the horizontal trace A , produce Ba ' to meet the ( V ) ( ED ( V ) M ( 24 DESCRIPTIVE ...
Página 26
... vertical plane ; that is , the vertical trace of the line is in Bb ; but the vertical trace of the line must be in its vertical projection ; it is therefore the point B in which the lines intersect . Similarly it may be proved that A is ...
... vertical plane ; that is , the vertical trace of the line is in Bb ; but the vertical trace of the line must be in its vertical projection ; it is therefore the point B in which the lines intersect . Similarly it may be proved that A is ...
Página 44
... traces of a plane containing the point P and parallel to LMN . Construction . Through P draw PQ parallel to MN , and find its vertical trace Q. Draw QS and ST parallel respec- tively to LM and MN . The plane RST will be the one required ...
... traces of a plane containing the point P and parallel to LMN . Construction . Through P draw PQ parallel to MN , and find its vertical trace Q. Draw QS and ST parallel respec- tively to LM and MN . The plane RST will be the one required ...
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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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