## An Encyclopaedia of Architecture, Historical, Theoretical, and Practical |

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Page 339

MB ABD , DBC , which AB and BC form with the

successively for radius the diagonals BD , BE , and BF . 1255 . In the

accompanying diagram , the weight , instead of being suspended by strings

acting by tension , is ...

MB ABD , DBC , which AB and BC form with the

**vertical**BD , by takingsuccessively for radius the diagonals BD , BE , and BF . 1255 . In the

accompanying diagram , the weight , instead of being suspended by strings

acting by tension , is ...

Page 361

That the

joints sensibly parallel , will act with its whole weight horizontally to overturn the

semi - arches and piers which carry them . 3 . That all the other voussoirs

between ...

That the

**vertical**voussoir CD , which represents the keystone , having also itsjoints sensibly parallel , will act with its whole weight horizontally to overturn the

semi - arches and piers which carry them . 3 . That all the other voussoirs

between ...

Page 428

If the post be of fir , whose primitive

, we have only to use the proportion 807 : 465000 : : 851 : 490980 , which divided

by 10 = 49098 ; the greatest weight with which it should be loaded . Method for ...

If the post be of fir , whose primitive

**vertical**strength to that of oak is as 851 to 807, we have only to use the proportion 807 : 465000 : : 851 : 490980 , which divided

by 10 = 49098 ; the greatest weight with which it should be loaded . Method for ...

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