An Encyclopaedia of Architecture, Historical, Theoretical, & PracticalLongmans, Green, and Company, 1891 - 1443 pages |
From inside the book
Page 284
... plane . 2. A right line is perpendicular to a plane if it make right angles with all lines which can be drawn from any point in that plane . Thus BA ( fig . 322. ) is perpendicular to the plane MLG FPN , because it makes right angles ...
... plane . 2. A right line is perpendicular to a plane if it make right angles with all lines which can be drawn from any point in that plane . Thus BA ( fig . 322. ) is perpendicular to the plane MLG FPN , because it makes right angles ...
Page 285
... plane : and the line AB will be perpendi . cular to the plane MLGFPN , because it will make right angles with the lines AM , AL , AG , & c . drawn from the point A in that plane . 6. Two planes are parallel when all perpendiculars drawn ...
... plane : and the line AB will be perpendi . cular to the plane MLGFPN , because it will make right angles with the lines AM , AL , AG , & c . drawn from the point A in that plane . 6. Two planes are parallel when all perpendiculars drawn ...
Page 286
... plane ( Defin . 2. ) must pass through the points C , D ; it would therefore ( Prop . 93. ) be the same with the plane FDCG , since these two planes would have three common points ( A , C , D. 975. PROP . XCV . From a given point in a plane ...
... plane ( Defin . 2. ) must pass through the points C , D ; it would therefore ( Prop . 93. ) be the same with the plane FDCG , since these two planes would have three common points ( A , C , D. 975. PROP . XCV . From a given point in a plane ...
Page 287
... plane surfaces . 3. A prism is a solid terminated by two identica plane bases parallel to each other , and by surfaces which are parallelo- grams ( Fig . 334. ) 4. A parallelopiped is a prism the bases of which are parallelo- grams ...
... plane surfaces . 3. A prism is a solid terminated by two identica plane bases parallel to each other , and by surfaces which are parallelo- grams ( Fig . 334. ) 4. A parallelopiped is a prism the bases of which are parallelo- grams ...
Page 289
... plane cd : whence the triangles Abc , ABC , having the angles b , B right angles , and the angle A common , are ... plane CD : the plane cd is to the plane From the vertex A draw a perpendicula CD as the square of the height Ab is to the ...
... plane cd : whence the triangles Abc , ABC , having the angles b , B right angles , and the angle A common , are ... plane CD : the plane cd is to the plane From the vertex A draw a perpendicula CD as the square of the height Ab is to the ...
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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 describe diameter dome Doric order draw edifices ellipsis employed entablature equal erected examples extrados feet flange front girder Gothic granite half height horizontal inches joints length lime limestone marble material mortar mouldings nave obtained oolite ornaments palace parallel parallelogram perpendicular piers placed plane plates portico Portland stone Prop proportion pyramid quarries radius rectangle ribs right angles right line Roman Roman architecture Rome roof sand 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