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Riou, Stephen
The Grecian orders of architecture: delineated and explained from the antiquities of Athens ; also the parallels of the orders of Palladio, Scamozzi and Vignola — London, 1768

DOI Page / Citation link:
https://doi.org/10.11588/diglit.1670#0102
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if a room is to be vaulted, take the heights as follow; divide the breadth into six equal parts,
take five; or into eight, and take seven; or into twelve, and.take eleven.
Chambers should communicate one with the other. Doors are the means of this communica-
tion : we are not of the opinion of those who allow but one door to a room, the idea is confined,
and doors may be made to (hut close.
A bed room should communicate with a drcssing room, this with an anti-room j a draw-
ing room with a dining room, &c. &c. but the iecret passages may be preserved.
The use of one chamber mould not obstrucVor prejudice the use of another. Thus a kitchen
next to a parlour or drawing room, would be intolerable: nor mould a sludy be placed near
the childrens apartments, because the noises and cries of these lively little folks, would be very
troublesome to any person retired to read and meditate.
The distribution therefore of each chamber, mould be made in such a manner as to afford, by
it's situation, every suitable conveniency, with as few obstructions as poiTible; for example, if the
back front of the house is to the east, and the fore front in a publick street or square, where there is
a constant noise and bustle, then it is better to have the study and drawing room backwards, because
the noise of the street is equally ossend ve to the studious, as to the conversation of a select society,
Groined arches used for cielings of basement and under-ground rooms, are described by the
interseron of the segments of a circle, or of an ellipiis.
Sometimes a place is vaulted in with semi-circular arches, or lesser segments, »
A spherical vault is a hemisphere, or less.
Every sort of arch should be supported upon walls and piers, capable to bear its weight and
thrust,
In carrying up a building, the proper piers are made for the intended arches, but these are not
turned, till the upper ssoor and the roof are laid, lest the fall of any materials might happen to
damage the arches.
The ssatter the arches are, the greater the thrust, therefore they require stronger piers and
thicker walls.
The stairs are a number of steps one above another, and serve sor the ascent and descent to
and from one ssoor to another j the place set apart for the stairs, is called the stair-case; stairs
are either strait, or ssyers, or winders, or mixt.
All stairs should have sufricient light, and be as easy of ascent as possible. In small buildings
one stair-case is sufflcient, and goes quite from the bottom to the top.
In greater buildings, two stair-cases, and sometimes three, and more, are necessary, but then
the principal stairs only ascend to the principal ssoor.
Stairs should be described and accounted for exactly at the very time that the plan of a building
is delineated; for want of which, oftentimes unpardonable errors have been committed, such as
having a little blind stair-case to a large house, and a large spacious stair-case to asmall house,
or not a sufticient number of stair-cases to the extent of the building, or not room sufficient to
rise to the intended height.

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