Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 1: Opera mechanica

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              <pb o="43" file="0069" n="70" rhead="HOROLOG. OSCILLATOR."/>
            poris æquatoria quam ſubjicimus, intelligetur; </s>
            <s xml:id="echoid-s983" xml:space="preserve">poſtquam
              <lb/>
              <note position="right" xlink:label="note-0069-01" xlink:href="note-0069-01a" xml:space="preserve">
                <emph style="sc">Descri-</emph>
                <lb/>
                <emph style="sc">PTIO</emph>
                <emph style="sc">Ho-</emph>
                <lb/>
                <emph style="sc">ROLOGII</emph>
              .</note>
            uſum ejus oſtenderimus, qui eſt hujusmodi.</s>
            <s xml:id="echoid-s984" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s985" xml:space="preserve">Accipiatur æquatio tabulæ, aſſignata diei qua primum
              <lb/>
            cum ſole, ſive cum ſciotherico, horologium ut conveniret
              <lb/>
            fecimus. </s>
            <s xml:id="echoid-s986" xml:space="preserve">Itemque æquatio diei, qua quæritur quam bene
              <lb/>
            ad dierum menſuram temperatum ſit. </s>
            <s xml:id="echoid-s987" xml:space="preserve">Quod ſi jam prior æ-
              <lb/>
            quatio major fuerit ſequente, ſuperare debebit hora auto-
              <lb/>
            mati horam gnomonis eo, quo inter ſe æquationes iſtæ dif-
              <lb/>
            ferunt. </s>
            <s xml:id="echoid-s988" xml:space="preserve">At ſi poſterioris diei æquatio major inveniatur, erit
              <lb/>
            exceſſus penes horam gnomonis, ſive eam quæ ex ſole ob-
              <lb/>
            ſervatur. </s>
            <s xml:id="echoid-s989" xml:space="preserve">Ut ſi, exempli gratiâ, die 5 Martii in eandem
              <lb/>
            horam conveniant ſciothericum horologium atque automa-
              <lb/>
            ton, cujus diei æquatio invenitur, in tabula, ſcrupulorum
              <lb/>
            primorum 3, ſecundorum 11. </s>
            <s xml:id="echoid-s990" xml:space="preserve">lubeatque ſcire ejusdem menſis
              <lb/>
            die 20, an automaton horas æquales rectè metiatur necne:
              <lb/>
            </s>
            <s xml:id="echoid-s991" xml:space="preserve">invenietur die poſteriori adſcripta æquatio ſcrupulorum pri-
              <lb/>
            morum 7, ſecundorum 27. </s>
            <s xml:id="echoid-s992" xml:space="preserve">quæ quia ſuperat præcedentem
              <lb/>
            ſcrupulis primis 4, ſecundis 16, debebit tanto ſerior eſſe
              <lb/>
            hora ſciotherici, quam quæ automato indicatur. </s>
            <s xml:id="echoid-s993" xml:space="preserve">Unde, ſi
              <lb/>
            diverſum reperiatur, facile inde colligetur, quantum in dies
              <lb/>
            ſingulos exuperet automaton, aut retardet.</s>
            <s xml:id="echoid-s994" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s995" xml:space="preserve">In computanda tabula hac duplicem cauſam adhibui, u-
              <lb/>
            tramque Aſtronomis notam, Eclipticæ nimirum obliquita-
              <lb/>
            tem; </s>
            <s xml:id="echoid-s996" xml:space="preserve">& </s>
            <s xml:id="echoid-s997" xml:space="preserve">ſolaris motus anomaliam. </s>
            <s xml:id="echoid-s998" xml:space="preserve">Quod cum ratio poſtulat,
              <lb/>
            tum experientia quoque, his ipſis horologiis ſuperſtructa,
              <lb/>
            quæque ſine his nequaquam haberi poterat, evincit; </s>
            <s xml:id="echoid-s999" xml:space="preserve">quan-
              <lb/>
            doquidem, cum æquatione hìc propoſita, obſervationes ſo-
              <lb/>
            lis, quas ſæpe per complures menſes, quotidie ad momen-
              <lb/>
            tum quo meridianum circulum ſol occuparet, inſtituimus,
              <lb/>
            planiſſime conſentire inventæ ſunt.</s>
            <s xml:id="echoid-s1000" xml:space="preserve"/>
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