An Encyclopaedia of Architecture, Historical, Theoretical, and PracticalLongmans, Green, 1876 - 1395 pages |
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Page 342
... centre of gravity from the centre of the arc of the circle , the chord AB must be multiplied by the radius CD and divided by the length of the arc ABD . 1274. When the circumference of the circle is entire , the axes of equilibrium ...
... centre of gravity from the centre of the arc of the circle , the chord AB must be multiplied by the radius CD and divided by the length of the arc ABD . 1274. When the circumference of the circle is entire , the axes of equilibrium ...
Page 343
... centre C of the circle of the centre of gravity of the sector . 1279. To find the centre of gravity of the crown portion of an arch DAEBF ( fig . 540. ) comprised between two concen- tric axes , we must- 1. Find the centre of gravity A ...
... centre C of the circle of the centre of gravity of the sector . 1279. To find the centre of gravity of the crown portion of an arch DAEBF ( fig . 540. ) comprised between two concen- tric axes , we must- 1. Find the centre of gravity A ...
Page 344
... centre of gravity of the segment of a sphere ( fig . 544. ) is found by the following proportion : as thrice the ... centre of gravity , set off on the radius which serves as the axis . 1288. Thus , making r = the radius , e the ...
... centre of gravity of the segment of a sphere ( fig . 544. ) is found by the following proportion : as thrice the ... centre of gravity , set off on the radius which serves as the axis . 1288. Thus , making r = the radius , e the ...
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angle appears arch architect architecture axis base beam becomes bricks building built called cathedral centre century church circle colour columns common considered construction contained course covered curve describe diameter direction divided draw edifices effect employed equal erected examples experiments extremely face feet figure force four front give given greater half horizontal houses inches iron Italy joints length less lime material means mouldings nave 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 weight whereof whole wood