The Encyclopedia of Architecture, Historical, Theoretical, and PracticalCrown, 1982 - 1364 pages |
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Page 272
... half the arc of that chord . A T D B Fig . 272 . Let BTA ( fig . 273. ) be a tangent and TD a chord drawn from the point of contact T ; the angle ATD is measured by half the arc TFD , and the angle BTD is measured by half the arc TGD ...
... half the arc of that chord . A T D B Fig . 272 . Let BTA ( fig . 273. ) be a tangent and TD a chord drawn from the point of contact T ; the angle ATD is measured by half the arc TFD , and the angle BTD is measured by half the arc TGD ...
Page 273
... half the arc ADB , is greater than the angle at the circumference B , which is measured by half the arc AFC . Again , if the angle C is greater than the angle B , the side AB opposite to the angle C will be greater than the side AC ...
... half the arc ADB , is greater than the angle at the circumference B , which is measured by half the arc AFC . Again , if the angle C is greater than the angle B , the side AB opposite to the angle C will be greater than the side AC ...
Page 298
... half the sum of the opposite angles to the tangent of half their difference . It is to be observed , that in the third term of the proportion the cotangent of half the given angle may be used instead of the tangent of the half sum of ...
... half the sum of the opposite angles to the tangent of half their difference . It is to be observed , that in the third term of the proportion the cotangent of half the given angle may be used instead of the tangent of the half sum of ...
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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