Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              motu recto; </s>
              <s id="N26AE6">denique non eſt omittendum etiam haſtam eratam ſolo
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              nixam ſurſum intorto pugno ita proijci poſſe, vt poſt circuitum excipia­
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              tur, nec eſt noua difficultas; communicatur enim primò motus centri
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              rectus, tùm motus orbis, immò, ſi ſit breuior, etiam geminos circuitus
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              facit, antequam iuſta manu excipiatur. </s>
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              <s id="N26AF4">Decimoquintò, extremitas, quæ manu tenetur velociùs deinde moue­
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              tur. </s>
              <s id="N26AF9">Primò, patet experientia. </s>
              <s id="N26AFC">Secundò, maius ſpatium conficit; </s>
              <s id="N26AFF">ratio eſt,
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              quia mouetur circa centrum maiore ſemidiametro, quas conſtat 1/4 totius
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              haſtæ, quod vt faciliùs videatur, ſit haſta AE, quæ pellatur ſurſum mo­
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              tu recto CE, ſitque motus orbis circa centrum C; </s>
              <s id="N26B09">vbi verò C peruenit
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              in D, A peruenit in L, & D in I; </s>
              <s id="N26B0F">vbi verò C peruenit in E, A peruenit in
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              G & D rediit in D; </s>
              <s id="N26B15">vides quanta ſit differentia motus; </s>
              <s id="N26B19">nam eo tempore,
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              quo A decurrit ſpatium AKL, D decurrit tantùm DHI; </s>
              <s id="N26B1F">quænam por­
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              rò ſit hæc figura; </s>
              <s id="N26B25">certè ſi non eſt Ellipſis, propiùs ad illam accedit:
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              idem dico de deſcenſu haſtæ, quod dictum eſt de aſcenſu. </s>
            </p>
            <p id="N26B2B" type="main">
              <s id="N26B2D">Decimoſextò, duobus aliis modis poteſt haſta in aëre
                <expan abbr="cõuerti">conuerti</expan>
              ; </s>
              <s id="N26B35">primò, ſi
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              mucro agatur retrò, vtraque manu admota alteri extremitati: </s>
              <s id="N26B3B">hic autem
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              modus differt à prioribus, quod in illis motus centri rectus præcedat
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              motum orbis; in hoc verò vterque ſimul incipiat. </s>
              <s id="N26B43">Secundò, ſi primò in
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              humeris liberetur haſta, tùm ſurſum euibretur; ſed hæc ſunt facilia. </s>
            </p>
            <p id="N26B49" type="main">
              <s id="N26B4B">Decimoſeptimò, ad haſtam reuocabis baculum rotatum ab altera ex­
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              tremitate; ſit enim baculus AE rotatus circa extremitatem A, tùm ſta­
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              tim demiſſus. </s>
              <s id="N26B53">Primò, E poſt ſemicirculum peruenit in A. Secundò, E im­
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              primitur maior impetus, vt patet: hinc tertiò mouetur velocius. </s>
              <s id="N26B59">Quartò,
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              A non deſcendit infra AE, poſt quam demiſſus eſt baculus, vt pater ex­
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              perientiâ; ratio eſt, quia E per tangentem EL determinata impedit, ne
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              A deorſum tendat. </s>
              <s id="N26B63">Quintò, E per arcum EG non mouetur; </s>
              <s id="N26B67">alioquin A
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              eſſet immobilis: </s>
              <s id="N26B6D">præterea F. non mouetur motu circulari, niſi retineatur
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              in A; </s>
              <s id="N26B73">ſed non retinetur; igitur non mouetur per EG. Sextò, non moue­
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              tur quoque per rectam EF, quia retinetur E ab A, & reliquis partibus,
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              quæ minùs habent impetus. </s>
              <s id="N26B7B">Septimò, mouetur E per lineam curuam, quæ
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              accedit ad ellipſim, ſcilicet per EHA; </s>
              <s id="N26B81">A verò aſſurgit ſupra AE; </s>
              <s id="N26B85">ratio
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              huius motus petitur ex eo quod, neque per EF, neque per arcum EG
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              mouetur extremitas E; igitur per curuam de vtraque participan­
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              tem. </s>
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            <p id="N26B8F" type="main">
              <s id="N26B91">Decimooctauò, cum ita proijcitur baculus, vt altera extremitas citíùs
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              moueatur quàm alia, ſequitur motus mixtus ex recto centri, & circulari
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              orbis; </s>
              <s id="N26B99">quia ſcilicet illa pars, quæ maiorem impetum habet, quaſi retrò
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              agitur ab alia, quæ minorem habet, non quidem motu purè circulari;
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              alioqui omninò retineretur ab alia extremitate, ſed alio mixto, quia non
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              omninò retinetur. </s>
            </p>
            <p id="N26BA3" type="main">
              <s id="N26BA5">Decimononò, hinc poteſt ita temperari motus ille orbis, vt tantùm
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              ſemicircuitum in toto curſu impleat, cum ſcilicet partes omnes æquali
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              ferè cum impetu mouentur; </s>
              <s id="N26BAD">ſi enim æqualitas eſt in motu omnium
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              partium, mouentur omnes motu recto; </s>
              <s id="N26BB3">ſi verò motus ſingularum ſunt </s>
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          </chap>
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