Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              <s>
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              the ground, as well in the one ſhot as in the other: for thus you
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              may ſee exactly how much one ſhaft flew farther than the other.</s>
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              * Baleſtrone da
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              zoni.</s>
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            <p type="main">
              <s>SIMP. </s>
              <s>In my thoughts this experiment is very proper: and I
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              do not doubt but that the flight, that is, the ſpace between the
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              ſhaft and the place where the chariot was at the ſhafts fall, will be
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              leſs by much when one ſhooteth towards the chariots courſe, than
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              when one ſhooteth the contrary way. </s>
              <s>For an example, let the
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              flight of it ſelf be three hundred yards, and the courſe of the
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              riot in the time whilſt the ſhaft ſtayeth in the air, an hundred
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              yards, therefore ſhooting towards the courſe, of the three hundred
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              yards of the flight, the chariot will have gone one hundred; ſo
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              then at the ſhafts coming to the ground, the ſpace between it and
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              the chariot, ſhall be but two hundred yards onely; but on the
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              contrary, in the other ſhoot, the chariot running contrary to the
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              ſhaft, when the ſhaft ſhall have paſſed its three hundred yards, and
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              the chariot its other hundred the contrary way, the diſtance
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              poſing ſhall be found to be four hundred yards.</s>
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            <p type="main">
              <s>SALV. </s>
              <s>Is there any way to ſhoot ſo that theſe flights may be
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              equal?</s>
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              <s>SIMP. </s>
              <s>I know no other way, unleſs by making the chariot to
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              ſtand ſtill.</s>
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              <s>SALV. </s>
              <s>This we know; but I mean when the chariot runneth
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              in full carreer.</s>
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            <p type="main">
              <s>SIMP. </s>
              <s>In that caſe you are to draw the Bow higher in
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              ing forwards, and to ſlack it in ſhooting the contrary way.</s>
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            <p type="main">
              <s>SALV. </s>
              <s>Then you ſee that there is one way more. </s>
              <s>But how
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              much is the bow to be drawn, and how much ſlackened?</s>
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            <p type="main">
              <s>SIMP. </s>
              <s>In our caſe, where we have ſuppoſed that the bow
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              ried three hundred yards, it would be requiſite to draw it ſo, as
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              that it might carry four hundred, and in the other to ſlacken it ſo,
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              as that it might carry no more than two hundred. </s>
              <s>For ſo each
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              of the flights would be but three hundred in relation to the chariot,
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              the which, with its courſe of an hundred yards which it ſubſtracts
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              from the ſhoot of four hundred, and addeth to that of two
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              dred, would reduce them both to three hundred.</s>
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            <p type="main">
              <s>SALV. </s>
              <s>But what effect hath the greater or leſs intenſneſs of the
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              bow upon the ſhaft?</s>
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              <s>SIMP. </s>
              <s>The ſtiffer bow carrieth it with greater velocity, and the
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              weaker with leſs; and the ſame ſhaft flieth ſo much farther at one
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              time than another, with how much greater velocity it goeth out of
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              the tiller at one time, than another.</s>
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            <p type="main">
              <s>SALV. </s>
              <s>So that to make the ſhaft ſhot either way, to flie at
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              qual diſtance from the running chariot, it is requiſite, that if in the
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              firſt ſhoot of the precedent example, it goeth out of the tiller with
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                <emph type="italics"/>
              v. </s>
              <s>g.
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              four degrees of velocity, that then in the other ſhoot it </s>
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          </chap>
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