Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

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              leſs then 126666 2/3 cubical Paces. </s>
              <s>And in caſe the Solid were all of
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              Copper, the Solid Content of the ſaid
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              Vacua
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              ought to be about
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              130000 cubick Paces. </s>
              <s>And likewiſe if the Solid were all of Lead
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              or Silver, the Solid Content of all the ſaid
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              Vacua
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              is to be no leſs than
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              200000 Paces cubical. </s>
              <s>Laſtly, if ſuch ſubmerged Solid be
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              pounded all of fine Gold, the ſum of thoſe Cavities ought to be no
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              leſs than 340000 cubick Paces.</s>
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              <s>The manner how to proceed in the recovery of thoſe ſeverall
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              kinds of Solids, is to be underſtood to be like to that which was
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              preſcribed in the recovery of the Ship: and that as well in deep, as
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              ſhallow waters. </s>
              <s>And the greater number of Ships or Boats are
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              quired to opperate in the recovery of the ſaid ſubmerged Solid in a
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              deep Channell, ſo much the more room muſt yon take upon the
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              one and the other Squadron, for to be able to pitch ſuch a number
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              of Capſtens as ſhall be needfull, and more if occaſion be. </s>
              <s>Yet you
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              muſt obſerve, that in the taking the water alternately from the one
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              and other Squadron, when you perceive the ſaid Solid to be
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              engaged from the bottom, you are to forbear taking out any more
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              from either of them; as was appointed touching the Ship, in the
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              ſeventh Explanation. </s>
              <s>And make uſe of as many Pullies as you ſhall
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              ſee cauſe for, not only to lift it to, but alſo to draw it above the
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              waters Surface: and that if notwholly, yet for the greater part:
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              and when it is lifted as high as is poſible, then take the remaining
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              water by equall meaſures, out of the one and other Squadron, or
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              Rank of Ships; which being done, it ſhall be hoiſted ſo high out of
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              the water, that you may put under it as many Lighters or Flat-boats,
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              as ſhall be ſufficient to bear it up, and to carry it to any place, as
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              occaſion ſhall require.</s>
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              <s>
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              EXPLANATION X.
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              </s>
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              <s>Albeit
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              Vitruvius, Vegetius
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              and
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              Valturius
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              do teach diverſe and
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              dry wayes to carry water up on high, many whereof may
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              ſtand us in much ſtead in this our Invention, for the
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              dious filling and emptying all the ſeverall kinds of Veſſels ſpoken of
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              above; of which alſo, many are very well known and familiar to
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              every one; to wit, with Bur-pumps, Chain pumps, common-pumps,
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              and many others: yet nevertheleſs to fill the ſaid Ships or other
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              Veſſels with water, with great facility and dexterity; I judge this
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              more expedient than any of them; namely, to make a Hole in the
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              bottom of each of thoſe Ships or other Veſſels, of two or three inches
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              Diameter at leaſt, and for every Ship to appoint a Boome or long
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              tapered Pole like a Plugg or Tapp, ſo that being thruſt into the ſaid
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              Hole, it will ſtop it ſo cloſe, that unleſs you conſent thereto, no </s>
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