Wilkins, John, A discovery of a new world : or a discourse tending to prove, that 'tis probable there may be another Habitable World in the Moon ; with a discourse concerning the Probability of a Passage thither; unto which is added, a discourse concerning a New Planet, tending to prove, that 'tis probable our earth is one of the Planets
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That the Earth may be a Planet.
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              <pb o="128" file="0308" n="308" rhead="That the Earth may be a Planet."/>
            the Cannon vvhich is upon the Earth, toge-
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            ther vvith the Bullet in it, do partake of the
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            ſame Circular Motion vvith the Earth; </s>
            <s xml:space="preserve">and
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            this perhaps our Adverſaries vvill grant,
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            vvhilſt vve ſuppoſe the Bullet to remain
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            ſtill in the Cannon, all the difficulty vvill
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            be, to ſhevv hovv it muſt neceſſarily obſerve
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            the ſame motion, vvhen it is ſhot out into
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            the open Air.</s>
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            <s xml:space="preserve">For the better explication of this, you may
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              <anchor type="note" xlink:label="note-0308-01a" xlink:href="note-0308-01"/>
            note this follovving Figure.</s>
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            <note position="left" xlink:label="note-0308-01" xlink:href="note-0308-01a" xml:space="preserve">Gallil. Syſt
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            Collaq. 2.</note>
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            <image file="0308-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0308-01"/>
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            <s xml:space="preserve">Where vve ſuppoſe AC to be a Cannon
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            perpendicularly erected, vvith a Bullet in it
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            at B; </s>
            <s xml:space="preserve">vvhich if it vvere immovable, vve
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            grant that the Bullet being diſcharged, muſt
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            aſcend in a juft perpendicular. </s>
            <s xml:space="preserve">But novv,
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            conceive this Cannon to move along vvith
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            the Earth, then in that ſpace of time, vvhile
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            the Bullet, by the force of the Povvder, is
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            aſcending to the top of the Bore, the Can-</s>
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