The Encyclopedia of Architecture, Historical, Theoretical, and PracticalCrown, 1982 - 1364 pages |
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Page 266
... parallel lines , it is also per- pendicular to the other . Let AB , CD ( fig . 247. ) be two parallel lines : if the line FG makes right angles with CD , it will also make right angles with AB . Take at pleasure GC equal to GD ; at the ...
... parallel lines , it is also per- pendicular to the other . Let AB , CD ( fig . 247. ) be two parallel lines : if the line FG makes right angles with CD , it will also make right angles with AB . Take at pleasure GC equal to GD ; at the ...
Page 267
... parallel . Let the alternate angles AFG , FGD ( fig . 251. ) be equal ; the lines AB , GD are parallel . If the line AB is not parallel to the line GD , another line , as NH , may be drawn through the point F parallel to GD . But this ...
... parallel . Let the alternate angles AFG , FGD ( fig . 251. ) be equal ; the lines AB , GD are parallel . If the line AB is not parallel to the line GD , another line , as NH , may be drawn through the point F parallel to GD . But this ...
Page 273
... parallel chords intercept equal arcs . If the two chords AB , CD ( fig . 278. ) are parallel , the arcs AC , BD are equal . Draw the right line BC . G G B B T D Because the lines AB , CD are parallel , the alternate angles ABC , BCD are ...
... parallel chords intercept equal arcs . If the two chords AB , CD ( fig . 278. ) are parallel , the arcs AC , BD are equal . Draw the right line BC . G G B B T D Because the lines AB , CD are parallel , the alternate angles ABC , BCD are ...
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Common terms and phrases
15th century aisles ancient architect architecture axis base beam breadth bricks building built called cast iron Castle cathedral cement centre of gravity choir church circle circumference colour columns construction Corinthian order cube Cubic Foot curve decorated depth describe diameter divided dome Doric order draw edifices ellipsis employed entablature equal erected examples extrados feet girder given Gothic granite half height horizontal houses inches inclined intercolumniations joints length lime limestone marble mortar mouldings nave obtained oolite ornaments palace parallel parallelogram perpendicular piece piers placed plane plates portico Prop proportion pyramid quarries radius rafters rectangle ribs right angles right line Roman Roman architecture Rome roof sandstone side similar sofite solid square stone strength style surface tangent temple thickness tiles timber tons tower transepts triangle upper vault vertical Vitruvius voussoirs walls whereof width wood