An Encyclopaedia of Architecture, Historical, Theoretical, and PracticalLongmans, Green, 1876 - 1395 pages |
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Page 298
... tangent of CDA the half sum ; and DF , the tangent of DAB , the half difference of the angles to the same radius AD , by the definition of a tangent . But the tangents AE , DF being parallel , it will be as BE : BD :: AE : DF ; that is ...
... tangent of CDA the half sum ; and DF , the tangent of DAB , the half difference of the angles to the same radius AD , by the definition of a tangent . But the tangents AE , DF being parallel , it will be as BE : BD :: AE : DF ; that is ...
Page 304
... tangent to the vertex of that or- dinate . To the major axis draw the ordinates PM ( fig . 416. ) and III , and the ... tangent to the ellipsis at M. -- Coroll . 3. Hence , if it were required to draw a tangent from a given point Tin the ...
... tangent to the vertex of that or- dinate . To the major axis draw the ordinates PM ( fig . 416. ) and III , and the ... tangent to the ellipsis at M. -- Coroll . 3. Hence , if it were required to draw a tangent from a given point Tin the ...
Page 313
... tangent at M , the extremity of the ordinate PM ; then the sub - tangent PT is equal to twice AP . For draw MK parallel to Then , by Theor . II . , And as MKI , TPM are similar , AH , KM : KI :: GK :: P ; KM : KI :: PT : PM . Therefore ...
... tangent at M , the extremity of the ordinate PM ; then the sub - tangent PT is equal to twice AP . For draw MK parallel to Then , by Theor . II . , And as MKI , TPM are similar , AH , KM : KI :: GK :: P ; KM : KI :: PT : PM . Therefore ...
Contents
ARCHITECTURE OF VARIOUS COUNTRIES | 4 |
Arcades above Arcades | 13 |
Jewish and Phoenician | 24 |
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15th century aisles architect architecture axis base beam breadth bricks building built called cast iron Castle cathedral cement centre of gravity chapel 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 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 weight whereof width wood