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<lb/> get of various Colours poured into hollow little <lb/> Spaces &longs;eparated from each other by thin Par­<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<lb/> &longs;wer and fit one another to the greate&longs;t Nice­<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<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<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"/>Ægypt,<emph.end type="italics"/> made his Rafters of Gold and Sil­<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<lb/> dor, that at a Di&longs;tance the whole Roof appear­<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"/>Ægypt<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<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<lb/> &longs;ome, and is not very expen&longs;ive; but it is at­<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<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<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