that we have here &longs;aid of the outer Coat, or <lb/>
Surface of the Wall may likewi&longs;e &longs;erve as to <lb/>
Pavements, of which we promi&longs;ed to &longs;peak, <lb/>
only that on Pavements we never be&longs;tow fine <lb/>
Painting nor &longs;uch good <emph type="italics"/>Mo&longs;aic<emph.end type="italics"/> Work, unle&longs;s <lb/>
you will grant the Name of Painting to a Par&shy;<lb/>
get of various Colours poured into hollow little <lb/>
Spaces &longs;eparated from each other by thin Par&shy;<lb/>
titions of Marble in Imitation of Painting. </s> <s>This <lb/>
Parget may be made of red Oker burnt, with <lb/>
Brick, Stone and the Dro&longs;s of Iron; and when <lb/>
it is laid on and is thoroughly dry, it mu&longs;t be <lb/>
cleared and ground down &longs;mooth, which is done <lb/>
in the following Manner: Take a hard Stone, <lb/>
or rather a Piece of Lead of three&longs;core Pound <lb/>
Weight, with its lower Surface perfectly &longs;mooth; <lb/>
to each End of this fa&longs;ten a Rope, by which <lb/>
you mu&longs;t draw it backwards and forwards over <lb/>
your Pavement, &longs;till keeping it &longs;upplied with <lb/>
Sand and Water, till it is rubbed exactly &longs;mooth, <lb/>
and is poli&longs;hed as it ought, which it never is <lb/>
unle&longs;s all the Lines and Angles of the Dies an&shy;<lb/>
&longs;wer and fit one another to the greate&longs;t Nice&shy;<lb/>
ne&longs;s. </s> <s>If this Parget be rubbed over with Oil, <lb/>
e&longs;pecially that of Lin&longs;eed, it will get a Coat <lb/>
like Gla&longs;s. </s> <s>It al&longs;o does very well to anoint it <lb/>
with Lees of Oil, as al&longs;o with Water in which <lb/>
Lime has been quenched, with which you <lb/>
&longs;hould rub it over often. </s> <s>In all our <emph type="italics"/>Mo&longs;aic<emph.end type="italics"/><lb/>
Works we &longs;hould avoid u&longs;ing the &longs;ame Co&shy;<lb/>
lours too often in the &longs;ame Places, as al&longs;o too <lb/>
frequent Repetitions of the &longs;ame Figures and <lb/>
Irregularity in the Compo&longs;ition of them. </s> <s>We <lb/>
&longs;hould likewi&longs;e take Care that the Junctures <lb/>
are not too wide, but that every Thing be fit&shy;<lb/>
ted together with the utmo&longs;t Exactne&longs;s, that <lb/>
equal Care may appear to have been u&longs;ed in all <lb/>
Parts of the Work.</s></p>

<p type="head"> <s>CHAP. XI.</s></p>

<p type="head"> <s><emph type="italics"/>Of the Ornaments of the Covering, which con&longs;i&longs;t in the Richne&longs;s and Beauty <lb/>
of the Rafters, Vaults and open Terra&longs;&longs;es.<emph.end type="italics"/></s></p>

<p type="main"> <s>The Coverings too have their Beauty and <lb/>
Gratefulne&longs;s from the Contrivance of <lb/>
the Rafters, Vaults and open Terra&longs;&longs;es. </s> <s>There <lb/>
are Roofs yet to be &longs;een in <emph type="italics"/>Agrippa<emph.end type="italics"/>'s Portico <lb/>
with Rafters of Bra&longs;s, forty Foot long; a Work <lb/>
wherein we know not which to admire mo&longs;t, <lb/>
the Greatne&longs;s of the Expence, or the Skill of <lb/>
the Workmen. </s> <s>In the Temple of <emph type="italics"/>Diana<emph.end type="italics"/> at <lb/>
<emph type="italics"/>Ephe&longs;us,<emph.end type="italics"/> as we have taken Notice el&longs;ewhere, <lb/>
was a Roof of Cedar, which la&longs;ted a va&longs;t <lb/>
While. <emph type="italics"/>Pliny<emph.end type="italics"/> relates that <emph type="italics"/>Salauces<emph.end type="italics"/> King of <lb/>
<emph type="italics"/>Colchos,<emph.end type="italics"/> after he had overcome <emph type="italics"/>Se&longs;o&longs;tris<emph.end type="italics"/> King <lb/>
of <emph type="italics"/>&AElig;gypt,<emph.end type="italics"/> made his Rafters of Gold and Sil&shy;<lb/>
ver. </s> <s>There are &longs;till to be &longs;een Temples covered <lb/>
with Slabs of Marble, as, we are told, was the <lb/>
Temple of <emph type="italics"/>feru&longs;alem<emph.end type="italics"/> with prodigious large <lb/>
ones of &longs;uch wonderful Whitene&longs;s and Splen&shy;<lb/>
dor, that at a Di&longs;tance the whole Roof appear&shy;<lb/>
ed like a Mountain of Snow. <emph type="italics"/>Catulus<emph.end type="italics"/> was the <lb/>
fir&longs;t that gilt the Bra&longs;s Tiles on the Capitol <lb/>
with Gold. </s> <s>I find too that the <emph type="italics"/>Pantheon,<emph.end type="italics"/> or <lb/>
<emph type="italics"/>Rotonda<emph.end type="italics"/> at <emph type="italics"/>Rome,<emph.end type="italics"/> was covered with Plates of <lb/>
Bra&longs;s gilt; and Pope <emph type="italics"/>Honorius,<emph.end type="italics"/> he in who&longs;e <lb/>
Time <emph type="italics"/>Mahomet<emph.end type="italics"/> taught <emph type="italics"/>&AElig;gypt<emph.end type="italics"/> and <emph type="italics"/>Africa<emph.end type="italics"/> a <lb/>
new Religion and Wor&longs;hip, covered the Church <lb/>
of St. <emph type="italics"/>Peter<emph.end type="italics"/> all over with Plates of Bra&longs;s. <emph type="italics"/>Ger&shy;<lb/>
many<emph.end type="italics"/> &longs;hines with Tiles glazed over. </s> <s>In many <lb/>
Places we cover our Roofs with Lead, which <lb/>
will endure a great While, &longs;hews very hand&shy;<lb/>
&longs;ome, and is not very expen&longs;ive; but it is at&shy;<lb/>
tended with this Inconvenience, that if it is laid <lb/>
upon a Stone Roof, not having room for Air <lb/>
under it, when the Stones come to be heated <lb/>
by the Rays of the Sun, it will melt. </s> <s>There <lb/>
is an Experiment which may convince us of <lb/>
the Truth of this. </s> <s>If you &longs;et a leaden Ve&longs;&longs;el <lb/>
full of Water upon the Fire, it will not melt; <lb/>
but if you throw the lea&longs;t Stone into it, <lb/>
where that touches it will immediately melt <lb/>
into a Hole. </s> <s>Be&longs;ides this, if it is not well <lb/>
cramped and pinned down in all Parts, it is <lb/>
ea&longs;ily ripped off by the Wind. </s> <s>Moreover it is <lb/>
pre&longs;ently eat into and &longs;poilt by the Saltne&longs;s of <lb/>
Lime; &longs;o that it does much the be&longs;t upon <lb/>
Timbers, if you are not afraid of Fire: But <lb/>
here again, there is a great Inconvenience arif&shy;<lb/>
ing from the Nails, e&longs;pecially if they are of <lb/>
Iron, ina&longs;much as they are more apt to grow <lb/>
hoter than Stone, and, be&longs;ides, eat away the <lb/>
Lead all about them with Ru&longs;t. </s> <s>For this <lb/>
Rea&longs;on the Cramps and Pins ought al&longs;o to be <lb/>
all of Lead, and mu&longs;t be fa&longs;tened into the <lb/>
Sheets with hot Sodder. </s> <s>Under this Covering <lb/>
you &longs;hould make a thin Bed of A&longs;hes of Wil&shy;<lb/>
low, wa&longs;hed and mixed with Chalk. </s> <s>Bra&longs;s <lb/>
Nails are not &longs;o apt to grow hot or to ru&longs;t, as