The Encyclopedia of Architecture, Historical, Theoretical, and PracticalCrown, 1982 - 1364 pages |
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Page 271
... circle . G Let the circle of which it is required to find the centre be AGBF . Draw any chord AB ( fig . 267. ) ; bisect it , and from the point of divi- sion D raise a perpendicular FG : this line will pass through the centre , and ...
... circle . G Let the circle of which it is required to find the centre be AGBF . Draw any chord AB ( fig . 267. ) ; bisect it , and from the point of divi- sion D raise a perpendicular FG : this line will pass through the centre , and ...
Page 292
... circle . 1015. PROB . XIX . triangle in a given circle . To inscribe an equilateral Through the centre C draw any diameter AB ( fig . 378. ) ; from the point B as a centre , with the radius BC of the given circle , describe an arc DCE ...
... circle . 1015. PROB . XIX . triangle in a given circle . To inscribe an equilateral Through the centre C draw any diameter AB ( fig . 378. ) ; from the point B as a centre , with the radius BC of the given circle , describe an arc DCE ...
Page 331
... circle whose circumference is 36 . 36 x 7 Here 22 7 : 36 : 111 ; or , 22119 , the diameter required . 1221. PROBLEM VIII . To find the length of any arc of a circle . Or Rule 1. Multiply the decimal 01745 by the number of degrees in the ...
... circle whose circumference is 36 . 36 x 7 Here 22 7 : 36 : 111 ; or , 22119 , the diameter required . 1221. PROBLEM VIII . To find the length of any arc of a circle . Or Rule 1. Multiply the decimal 01745 by the number of degrees in the ...
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Common terms and phrases
15th century aisles ancient architect architecture axis base beam breadth bricks building built called cast iron Castle cathedral cement centre of gravity choir church circle circumference colour columns construction Corinthian order cube Cubic Foot curve decorated depth describe diameter divided dome Doric order draw edifices ellipsis employed entablature equal erected examples extrados feet girder given Gothic granite half height horizontal houses inches inclined intercolumniations joints length lime limestone marble mortar mouldings nave obtained oolite ornaments palace parallel parallelogram perpendicular piece piers placed plane plates portico Prop proportion pyramid quarries radius rafters 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 whereof width wood