An Encyclopaedia of Architecture, Historical, Theoretical, and PracticalLongmans, Green, 1876 - 1395 pages |
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Page 300
... curve , such straight line is called an ordinate , as PM in the above figures . B D H Χ Fig . 106 . 8. The abscissa of an ordinate is that portion of the line of axis contained between the vertex and an ordinate to that line of axis ...
... curve , such straight line is called an ordinate , as PM in the above figures . B D H Χ Fig . 106 . 8. The abscissa of an ordinate is that portion of the line of axis contained between the vertex and an ordinate to that line of axis ...
Page 301
... curve are called the vertices of that diameter . Thus the points V and Q are the vertices of the diameter VQ . 1061 ... curves is called an ordinate to the two abscissas . Thus PM , being parallel to a tangent at V , is an ordinate to ...
... curve are called the vertices of that diameter . Thus the points V and Q are the vertices of the diameter VQ . 1061 ... curves is called an ordinate to the two abscissas . Thus PM , being parallel to a tangent at V , is an ordinate to ...
Page 302
... curve of an ellipsis . 1068. THEOREM IV . The square of the distance of the foci from the centre of an ellipsis is ... curve is equal to the major axis . Let the points F , f ( fig . 413. ) be the two foci , and M a point in the curve ...
... curve of an ellipsis . 1068. THEOREM IV . The square of the distance of the foci from the centre of an ellipsis is ... curve is equal to the major axis . Let the points F , f ( fig . 413. ) be the two foci , and M a point in the curve ...
Page 303
... curve is called a radius vector , and the difference between either radius vector and half the major axis is equal to half the difference between the radius vectors . For , since Coroll . 2. Because CF :: CP : CA - ƒM . ƒM = CA- CF.CP ...
... curve is called a radius vector , and the difference between either radius vector and half the major axis is equal to half the difference between the radius vectors . For , since Coroll . 2. Because CF :: CP : CA - ƒM . ƒM = CA- CF.CP ...
Page 304
... curve , will meet in the point T in every ellipsis described on the same axis AB . Coroll . 2. When the outer ellipsis AQB , by enlarging , becomes a circle , draw QT per- pendicular to CQ , and joining TM , then TM will be a tangent to ...
... curve , will meet in the point T in every ellipsis described on the same axis AB . Coroll . 2. When the outer ellipsis AQB , by enlarging , becomes a circle , draw QT per- pendicular to CQ , and joining TM , then TM will be a tangent to ...
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Other editions - View all
An Encyclopaedia of Architecture: Historical, Theoretical, and Practical Joseph Gwilt No preview available - 2014 |
Common terms and phrases
15th century aisles arch 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 dome Doric order draw edifices ellipsis employed entablature equal erected examples extrados feet girder given Gothic granite half horizontal inches intercolumniations joints length lime limestone marble mortar mouldings nave oolite ornaments palace parallel parallelogram perpendicular piece piers placed plane plates portico Portland stone Prop proportion pyramid quarries radius 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