Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              fail, and the ball runs tripping along the ground, or rebounds leſſe
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              than uſual, and breaketh the time of the return. </s>
              <s>Hence it is
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              that you ſee, thoſe who play at ^{*} Stool-ball, when they play in
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              a ſtony way, or a place full of. </s>
              <s>holes and rubs that make the ball
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              trip an hundred ſeveral wayes, never ſuffering it to come neer the
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              mark, to avoid them all, they do not trundle the ball upon the
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              ground, but throw it, as if they were to pitch a quait. </s>
              <s>But
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              cauſe in throwing the ball, it iſſueth out of the hand with ſome
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              roling conferred by the fingers, when ever the hand is under the
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              ball, as it is moſt commonly held; whereupon the ball in its lighting
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              on the ground neer to the mark, between the motion of the
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              jicient and that of the roling, would run a great way from the
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              ſame: To make the ball ſtay, they hold it artificially, with their
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              hand uppermoſt, and it undermoſt, which in its delivery hath
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              a contrary twirl or roling conferred upon it by the fingers, by
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              means whereof in its coming to the ground neer the mark it ſtays
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              there, or runs very very little forwards. </s>
              <s>But to return to our
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              principal problem which gave occaſion for ſtarting theſe others; I
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              ſay it is poſſible that a perſon carried very ſwiftly, may let a ball
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              drop out of his hand, that being come to the Earth, ſhall not
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              onely follow his motion, but alſo out-go it, moving with a
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              er velocity. </s>
              <s>And to ſee ſuch an effect, I deſire that the courſe
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              may be that of a Chariot, to which on the out-ſide let a
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              ning board be faſtened; ſo as that the neither part may be towards
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              the horſes, and the upper towards the hind Wheel. </s>
              <s>Now, if in
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              the Chariots full career, a man within it, let a ball fall gliding
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              long the declivity of that board, it ſhall in roling downward
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              quire a particular
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              vertigo
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              or turning, the which added to the
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              motion impreſſed by the Chariot, will carrie the ball along the
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              ground much faſter than the Chariot. </s>
              <s>And if one accommodate
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              another declining board over againſt it, the motion of the
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              riot may be qualified ſo, that the ball, gliding downwards along
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              the board, in its coming to the ground ſhall reſt immoveable,
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              and alſo ſhall ſometimes run the contrary way to the Chariot. </s>
              <s>But
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              we are ſtrayed too far from the purpoſe, therefore if
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              Simplicius
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              be ſatisfied with the reſolution of the firſt argnment againſt the
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              Earths mobility, taken from things falling perpendicularly, we
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              may paſſe to the reſt</s>
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              *A Game in
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              Italy,
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              wherein they ſtrive
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              who ſhall trundle
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              or throw a wooden
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              bowle neereſt to an
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              aſſigned mark.</s>
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              <s>SALV. </s>
              <s>The digreſſions made hitherto, are not ſo alienated
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              from the matter in hand, as that one can ſay they are wholly
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              ſtrangers to it. </s>
              <s>Beſides theſe argumentations depend on thoſe
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              things that ſtart up in the fancy not of one perſon, but of three,
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              that we are: And moreover we diſcourſe for our pleaſure, nor
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              are we obliged to that ſtrictneſſe of one who
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              ex profeſſo
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              treateth
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              methodically of an argument, with an intent to publiſh the ſame. </s>
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