An Encyclopaedia of Architecture, Historical, Theoretical, and PracticalLongmans, Green, 1876 - 1395 pages |
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Page 275
... surface of the rectangle is equal ( Prop . 53. ) to the product of BF and BC . Wherefore the surface of the triangle is equal to half the product of BF and BC , that is , of DA and GC . B D Fig . 287 . 932. PROP . LV . To measure the ...
... surface of the rectangle is equal ( Prop . 53. ) to the product of BF and BC . Wherefore the surface of the triangle is equal to half the product of BF and BC , that is , of DA and GC . B D Fig . 287 . 932. PROP . LV . To measure the ...
Page 318
... surfaces ; thus , from the surface ABCD ( fig . 463. ) , parallel to an hori- zontal plane , results the projection abcd of the same size and form . An inclined surface EFGH may have , though longer , the same projection as the level ...
... surfaces ; thus , from the surface ABCD ( fig . 463. ) , parallel to an hori- zontal plane , results the projection abcd of the same size and form . An inclined surface EFGH may have , though longer , the same projection as the level ...
Page 335
... surface required . 1233. PROBLEM III . To find the surface of the frustum of a pyramid or cone , being the lower part where the top is cut off by a plane parallel to the base . Rule . Add together the perimeters of the two ends and ...
... surface required . 1233. PROBLEM III . To find the surface of the frustum of a pyramid or cone , being the lower part where the top is cut off by a plane parallel to the base . Rule . Add together the perimeters of the two ends and ...
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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