## The Encyclopedia of Architecture, Historical, Theoretical, and Practical |

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Page 283

M If two right lines LM , FG be drawn , in these two

line AB , these will form four angles at ... a surface which will be neither concave

nor convex , but

...

M If two right lines LM , FG be drawn , in these two

**planes**, perpendicular to theline AB , these will form four angles at ... a surface which will be neither concave

nor convex , but

**plane**: and the line AB will be perpendi . cular to the**plane**MLG...

Page 284

make right angles with the lines AC , AD , it will be perpendicular to the

which passes through these lines . If the line AB were not perpendicular to the

FDCG , another

AB ...

make right angles with the lines AC , AD , it will be perpendicular to the

**plane**which passes through these lines . If the line AB were not perpendicular to the

FDCG , another

**plane**might be made to pass through the point A , to which theAB ...

Page 312

Let P be the point of concourse of the three

the point of concourse of the three

Let P be the point of concourse of the three

**planes**QVN , KML , AHI , and let H bethe point of concourse of the three

**planes**QVN , KML , AHI ; then , because the**planes**VRX and ADI are parallel , and the**plane**VQN is perpendicular to the ...### What people are saying - Write a review

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### Contents

HISTORY OF ARCHITECTURE | 1 |

PAGE PAGE | 11 |

Areades above Arcades 854 Sect 14 Circular Windows 951 | 13 |

Copyright | |

64 other sections not shown

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### Common terms and phrases

angle appears arch architect architecture base beam becomes bricks building built called cast cathedral centre century church circle colour columns common considered construction contained course covered curve depth describe diameter direction divided draw edifices effect employed equal erected examples experiments extremely face feet force four front give given greater ground half height horizontal houses inches iron Italy joints length less lime material means mouldings nearly necessary observed obtained original ornaments parallel period perpendicular piece placed plane portion practice produced Prop proportion quarries radius remains respect Roman roof says side similar solid square stone strength style supposed surface temple thickness timber tower triangle upper vault vertical walls whereof whole wood