The Encyclopedia of Architecture, Historical, Theoretical, and Practical |
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Page 342
lines at its extremities bears corresponding points of the curve ; then the line DE
will be loaded with all these weights ; and as the portions of the curve which
answer to each parallel AB go on increasing as they approach D , the centre of ...
lines at its extremities bears corresponding points of the curve ; then the line DE
will be loaded with all these weights ; and as the portions of the curve which
answer to each parallel AB go on increasing as they approach D , the centre of ...
Page 343
The quotient is the distance CG from the 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 concentric axes , we must — 1 .
The quotient is the distance CG from the 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 concentric axes , we must — 1 .
Page 344
The centre of gravity of the segment of a sphere ( fig . 544 . ) is found by the
following proportion : as thrice the radius less the thickness of the segment is to
the diameter less three quarters the B thickness of the segment , so is that
thickness to ...
The centre of gravity of the segment of a sphere ( fig . 544 . ) is found by the
following proportion : as thrice the radius less the thickness of the segment is to
the diameter less three quarters the B thickness of the segment , so is that
thickness to ...
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Contents
BOOK I | 1 |
PAGE | 11 |
Arcades above Arcades 13 Basements and Attics | 13 |
Copyright | |
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angle appears arch architect architecture base beam becomes bricks building built called cast 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 force four front give given greater 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 plates 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