Alberti, Leone Battista, Architecture, 1755

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              <s>
                <pb xlink:href="003/01/116.jpg" pagenum="98"/>
              may in a Moment, in the midſt of an Engage­
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              ment, be filled with ſharp Points ſticking up
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              cloſe to one another, ſo that an Enemy can
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              never ſet his Foot any where without a Wound;
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              and on the other Hand when there is Occaſion,
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              how all theſe may in leſs Space of Time be all
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              removed and cleared away; but this is not a
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              proper Place for repeating it again, and it is
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              ſufficient to have given the Hint to an ingeni­
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              ous Mind. </s>
              <s>Moreover I have found a Way how,
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              with a ſlight Stroke of a Hammer, to throw
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              down the whole Floor, with all the Men that
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              have boarded the Veſſel and ſtand upon it, and
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              then again with very little Labour to replace
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              it as it was before, whenever it is thought ne­
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              ceſſary ſo to do. </s>
              <s>Neither is this a proper Place
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              to relate the Methods which I have invented
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              to ſink and burn the Enemy's Ships and de­
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              ſtroy their Crews by miſerable Deaths. </s>
              <s>We
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              may perhaps ſpeak of them elſewhere. </s>
              <s>One
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              Thing muſt not be omitted, namely, that Veſ­
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              ſels of different Heights and Sizes are requi­
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              ſite in different Places. </s>
              <s>In the
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              Mare Mag­
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              giore,
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              in the Narrows among the Iſlands, a
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              large Ship, that cannot be managed with­
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              out a great Number of Hands, is very un­
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              ſafe when the Winds are any thing boiſterous:
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              On the Contrary out of the Strait's Mouth, in
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              the wide Ocean, a little Veſſel will not be able
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              to live. </s>
              <s>To this Head of maritime Affairs alſo
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              belong the Defending and Blocking up a Ha­
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              ven. </s>
              <s>This may be done by ſinking any great
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              Body, or by Moles, Piers, Chains and the like,
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              whereof we have treated in the preceding
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              Book. </s>
              <s>Drive in Piles, block the Port up with
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              huge Stones, and ſink large hollow Frames
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              made either of Planks or Oziers and filled
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              with any heavy Stuff. </s>
              <s>But if the Nature of
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              the Place, or the Greatneſs of the Expence will
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              not allow of this, as for Inſtance, if the Bot­
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              tom be a Sand or Mud continually moving, or
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              the Water be of too great a Depth, you may
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              then block up the Haven in the following
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              Manner. </s>
              <s>Make a Float of great Barrels faſten­
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              ed together, with Planks and Timbers joyned
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              croſs-ways to one another, and with large
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              Spikes and ſharp Beaks ſticking out from the
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              Float, and Piles with Points of Iron, ſuch as
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              are called ſhod Piles, to the Intent that none
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              of the Enemy's light Ships may dare to drive
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              againſt the Float with full Sails, in order to
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              endeavour to break or paſs it. </s>
              <s>Dawb the Float
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              over with Mud to ſecure it againſt Fire, and
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              fortify it with a Paliſado of Hurdles or ſtrong
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              Boards, and in convenient Places with wooden
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              Towers, faſtening the whole Work againſt the
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              Fury of the Waves with a good Number of
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              Anchors concealed from the Enemy. </s>
              <s>It would
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              not be amiſs to make ſuch a Work ſinuous or
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              wavy, with the Backs of the Arches turned
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              againſt the Streſs of the Weather, that the
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              Float may bear the lefs upon its Anchors.
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              </s>
              <s>But upon this Subject, thus much may ſuffice.</s>
            </p>
            <p type="head">
              <s>CHAP. XIII.</s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Of the Commiſſaries, Chamberlains, publick Receivers and the like Magiſtrates,
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              whoſe Buſineſs is to ſupply and preſide over the publick Granaries, Chambers
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              of Accompts, Arſenals, Marts, Docks and Stables; as alſo of the three Sorts
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              of Priſons, their Structures, Situations and Compartitions.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>Now as the Execution of all theſe
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              Things requires good Store of Proviſi­
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              ons, and of Treaſures to ſupply the Expence;
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              it will be neceſſary to ſay ſomething of the Ma­
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              giſtrates who have the Care of this Part of the
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              Buſineſs; as for Inſtance, Commiſſaries, Cham­
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              berlains, publick Receivers, and the like, for
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              whom the following Structures muſt Be erect­
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              ed: The Granary, the Chamber for keeping
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              the Treaſures, the Arſenal, the Mart or Place
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              for the tranſacting Commerce, the Dock and
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              the publick Stables for Horſes. </s>
              <s>We ſhall have
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              but little to ſay here upon theſe Heads, but
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              that little muſt not be neglected. </s>
              <s>It is evident
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              to every Man's Reaſon, that the Granary, the
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              Chamber of Accompts, and the Arſenal or
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              Magazine for Arms ought to be placed in the
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              Heart of the City, and in the Place of great­
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              eſt Honour, for the greater Security and Con­
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              veniency. </s>
              <s>The Docks or Arſenals for Ship­
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              ping ſhould be placed at a Diſtance from the
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              Houſes of the Citizens, for fear of Fire. </s>
              <s>We
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              ſhould alſo be ſure, in this laſt Sort of Struc­
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              ture, to raife a good many entire Party-walls </s>
            </p>
          </chap>
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