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

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              <pb o="35" file="0061" n="62" rhead="HOROLOG. OSCILLATOR."/>
            tionaliter moveantur. </s>
            <s xml:id="echoid-s825" xml:space="preserve">Quamobrem ſiquid in fabrica vi-
              <lb/>
              <note position="right" xlink:label="note-0061-01" xlink:href="note-0061-01a" xml:space="preserve">
                <emph style="sc">Descri-</emph>
                <lb/>
                <emph style="sc">PTIO HO</emph>
              -
                <lb/>
                <emph style="sc">ROLOGII</emph>
              .</note>
            tii fuerit, vel, ob aëris mutatam temperiem, diffici-
              <lb/>
            lius rotarum axes volvantur; </s>
            <s xml:id="echoid-s826" xml:space="preserve">dummodo non eo usque ut
              <lb/>
            omnis horologii motus interrumpatur; </s>
            <s xml:id="echoid-s827" xml:space="preserve">nulla propter
              <lb/>
            hæc inæqualitas aut motus retardatio timenda erit, ſem-
              <lb/>
            perque aut rectè tempus metietur aut omnino non metie-
              <lb/>
            tur.</s>
            <s xml:id="echoid-s828" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s829" xml:space="preserve">Indices porro hoc pacto circumaguntur atque ordinantur.
              <lb/>
            </s>
            <s xml:id="echoid-s830" xml:space="preserve">Tertia lamina prioribus parallela eſt Y Y, pollicis quarta
              <lb/>
            parte diſtans ab ea quæ notatur A A. </s>
            <s xml:id="echoid-s831" xml:space="preserve">In ea circuli horarii
              <lb/>
            deſcripti ſunt centro eodem α quo protenditur axis rotæ C. </s>
            <s xml:id="echoid-s832" xml:space="preserve">
              <lb/>
            Quorum circulorum interior duodecim horarum diviſionem
              <lb/>
            habet, alter ſcrupulorum 60. </s>
            <s xml:id="echoid-s833" xml:space="preserve">Axi vero rotæ C aptatur, ul-
              <lb/>
            tra laminam A A, rota ß, tubulo cohærens qui usque ad ε
              <lb/>
            continuatur trans laminam Y Y; </s>
            <s xml:id="echoid-s834" xml:space="preserve">atque ita inſidet axi illi,
              <lb/>
            ut una cum illo circumferatur; </s>
            <s xml:id="echoid-s835" xml:space="preserve">ſine illo tamen, ubi opus
              <lb/>
            fuerit, converti poſſit. </s>
            <s xml:id="echoid-s836" xml:space="preserve">Ad ε index imponitur, horæ ſpa-
              <lb/>
            tio circuiturus atque ita ſcrupula prima, ſeu ſexageſimas ho-
              <lb/>
            rarum, demonſtraturus. </s>
            <s xml:id="echoid-s837" xml:space="preserve">Rota vero quam diximus ß, aliam
              <lb/>
            rotam, totidem quot ipſa habet dentium, impellit, atque
              <lb/>
            una affixum ei tympanum cui dentes ſex, axiculo eorum
              <lb/>
            communi hinc laminâ A, inde gnomone δ ſuffulto. </s>
            <s xml:id="echoid-s838" xml:space="preserve">Hoc
              <lb/>
            tandem tympano rota ζ movetur, dentes habens 72, tubu-
              <lb/>
            lumque affixum qui & </s>
            <s xml:id="echoid-s839" xml:space="preserve">ipſe ultra laminam Y ad θ porrigitur,
              <lb/>
            paulo citra quam deſinit tubulus rotæ ß, quem intra ſe com-
              <lb/>
            plectitur. </s>
            <s xml:id="echoid-s840" xml:space="preserve">Parte extrema θ apponitur horarius index, brevior
              <lb/>
            aliquanto illo quem ſcrupula prima ſignare diximus, cum in-
              <lb/>
            teriore gyro ferri debeat. </s>
            <s xml:id="echoid-s841" xml:space="preserve">Secunda vero ſcrupula ut absque
              <lb/>
            errore demonſtrentur, imponitur axi rotæ H, usque ad la-
              <lb/>
            minam Y producto, orbis λ, cui circulus in ſexaginta par-
              <lb/>
            tes diviſus inſcribitur, inciſoque in laminâ Y foramine
              <lb/>
            ad Z, eæ diviſiones, cuspide in ſummo foramine defixâ,
              <lb/>
            prætereuntes notantur. </s>
            <s xml:id="echoid-s842" xml:space="preserve">Hæc vero tota indicum circulo-
              <lb/>
            rumque horariorum diſpoſitio ex figura minori (fig. </s>
            <s xml:id="echoid-s843" xml:space="preserve">3.) </s>
            <s xml:id="echoid-s844" xml:space="preserve">cla-
              <lb/>
            rius perſpicitur, exteriorem horologii formam referen-
              <lb/>
            te.</s>
            <s xml:id="echoid-s845" xml:space="preserve"/>
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