Alberti, Leone Battista, Architecture, 1755

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              you have three Rows of Columns, divide the
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              Space that is between the firſt Row and the
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              Roof into two Parts, and in that Diviſion end
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              the ſecond Cornice. </s>
              <s>Between the firſt and ſe­
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              cond Cornices, let the Wall be preſerved en­
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              tire, and adorn it with ſome beautiful Sorts of
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              Stuc-work; but in the Wall between the ſe­
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              cond and the third Cornices, you muſt make
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              your Windows for lighting the whole Structure.
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              <s>The Windows in Baſiliques muſt be ſet exactly
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              over the Intercolumnations, and anſwer regu­
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              larly to one another. </s>
              <s>The Breadth of theſe
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              Windows muſt not be leſs than three Fourths
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              of the Intercolumnation, and their Height
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              may very conveniently be twice their Breadth.
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              <s>Their Head-piece may be upon a Line with
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              the Top of the Columns, excluſive of the Ca­
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              pitals, if theſe Windows be made ſquare; but
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              if they are round, their Arch may come al­
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              moſt even with the Architrave, and ſo lower
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              as you think fit to diminiſh the Arch; but
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              they muſt never riſe above the Tops of the
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              Columns. </s>
              <s>At the Bottom of the Window
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              muſt be a Plat-band for a Reſt or Leaning
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              Place, with a Cima-recta and an Ovolo. </s>
              <s>The
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              Open of the Window muſt be grated, tho' not
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              paned with ſcantling Tale like thoſe of the
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              Temple; but ſtill they muſt have ſomething
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              to keep out Wind and Weather. </s>
              <s>On the other
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              Hand, it is neceſſary to have a free Vent for
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              the Air, that the Duſt which is raiſed by the
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              Peoples Feet may not injure their Eyes and
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              Lungs; and therefore I think nothing does
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              better here, than thoſe fine Grates, either of
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              Braſs or Lead, with an infinite Number of
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              ſmall Holes diſpoſed in a regular Order, al­
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              moſt like a Picture, which admit both Light
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              and Air to refreſh the Spirits. </s>
              <s>The Roof or Ceil­
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              ing will be extreamly handſome, if it is compoſ­
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              ed of different Pannels nicely jointed together,
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              with large Circles, in handſome Proportions,
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              mixed with other Compartments and Angles,
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              and if thoſe Pannels are ſeparated from each
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              other with flying Cornices, with all their due
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              Members, and with their Coffits adorned with
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              carved Work of Gems in Relief, intermixed
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              with beautiful Flowers, either of the Acanthus
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              or any other, the Pannels being enriched with
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              lively Colours, by the Hand of ſome ingeni­
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              ous Painter, which will add a ſingular Grace
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              to the whole Work.
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              Pliny
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              tells us of an ex­
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              traordinary Cement for laying Gold upon
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              Wood-work; which may be made as follows.
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              <s>Mix together ſix Pounds of Sinoper, or Terra
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              Pontica, and ten Pounds of red Oker, mixed
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              with two Pounds of Terra Melina or White
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              Lead, which muſt be all ground together, and
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              the paſt kept full ten Days before it is uſed.
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              <s>Maſtic ſteept in Linſeed Oil, and mixed with
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              Helbic Sinoper or Ruddle well burnt, makes
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              a Cement or Glue that will hardly ever come
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              off. </s>
              <s>The Height of the Door of the Baſilique
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              muſt be anſwerable to that of the Iſles. </s>
              <s>If
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              there be a Portico on the Outſide, by Way of
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              Veſtibule, it muſt be of the ſame Height and
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              Breadth as the Iſle within. </s>
              <s>The Void Cham­
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              branle, and other Members of the Door muſt
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              be made after the ſame Rules at the Door of
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              the Temple; but in a Baſilique the Leaf
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              ſhould never be of the Braſs. </s>
              <s>But you may
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              make it of Cypreſs, Cedar, or any other fine
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              Wood, and enrich it with Boſſes of Braſs, con­
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              triving the Whole rather for Strength than
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              Delicacy: Or if you would have it beautiful
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              or noble, do not embeliſh it with any minute
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              Ornaments in Imitation of Painting, but adorn
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              it with ſome Relieve, not too high raiſed,
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              that may make the Work look handſome, and
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              not to be too liable to be injured. </s>
              <s>Some have
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              of late begun to build Baſiliques circular. </s>
              <s>In
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              theſe the Height in the Middle muſt be equal
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              to the Breadth of the whole Structure; but
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              the Porticoes, Colonades, Doors and Windows
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              muſt be in the ſame Proportions as in the
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              ſquare Baſilique. </s>
              <s>Of this Subject ſufficient has
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              been ſaid.</s>
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              <s>CHAP. XVI.</s>
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              <s>
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              Of Monuments raiſed for preſerving the Memory of publick Actions and
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              Events.
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              <s>I come now to ſpeak of Monuments erected
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              for preſerving the Memory of great Events;
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              and here by Way of Relief I ſhall take the
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              Liberty to unbend myſelf a little from that In­
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              tenſeneſs and Dryneſs which is neceſſary in
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              thoſe Parts of this Work which turn altogether
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              upon Numbers and Proportions: However,
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              I ſhall take Care not to be too prolix. </s>
              <s>Our </s>
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