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

Table of figures

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[141] Fig. 3.a B c A C
[142] Fig. 7.D A C B E G
[143] Fig. 6.D A G B
[Figure 144]
[145] Pag. 262.TAB.XXIX.Fig. 1.P E O D C Q H M G N B S R T F
[146] Fig. 4.C A H N E P B L K I
[147] Fig. 3.N Q O P T
[148] Fig. 2.F D I C A B H K E R S G
[149] Fig. 5.L M C M E H O D P I
[150] Pag. 268.TAB. XXX.a a I L K M g N l O c k P Q T S Q V T S R f f e n l d h g b
[151] Pag. 276.TAB.XXXI.Fig. 2.a a m f k b e @ b a g a f b b h
[152] Fig. 1.h g k h d a b c f e l
[153] Pag. 286.TAB.XXXII.Fig. 1.A E C E E D B G
[154] Fig. 2.H N K M
[155] Fig. 4.B A D C
[156] Fig. 5.A E E C H D G B
[157] Fig. 6.A C C C C H G K E F D D D D
[158] Fig. 3.G F F B D D C D A F A E E H
[159] Fig. 7.K L R Z Y H V N S P A C E B X T M G Q O
[160] Pag. 308.TAB.XXXIII.Fig. 1.P F Q K H L R G B E C N O 3 A 2
[161] Fig. 8.R G M K N D B V C A
[162] Fig. 7.R d D G g B h H E V C u A c
[163] Fig. 2.B F G C H A K D E
[164] Fig. 4.A B G F E C D
[165] Fig. 6.T G D H B E M L N C K I S P F V R Q O A
[166] Fig. 3.A E G B D F C
[167] Fig. 5.N K F E C B A H L V W R G
[168] Fig. 9.Z R A X H C B D M K S Q G
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          <p>
            <s xml:id="echoid-s4049" xml:space="preserve">
              <pb o="179" file="0255" n="281" rhead="HOROLOG. OSCILLATOR."/>
            modi horologium, fixarum ſtellarum obſervationibus, com-
              <lb/>
              <note position="right" xlink:label="note-0255-01" xlink:href="note-0255-01a" xml:space="preserve">
                <emph style="sc">De centro</emph>
                <lb/>
                <emph style="sc">OSCILLA-</emph>
                <lb/>
                <emph style="sc">TIONIS</emph>
              .</note>
            poſitum fuerit, methodo illa quam in horologii deſcriptione
              <lb/>
            oſtendimus: </s>
            <s xml:id="echoid-s4050" xml:space="preserve">aliud pendulum ſimplex, hoc eſt, ſphæra plum-
              <lb/>
            bea, aut alia materia gravi conſtans, ex tenui filo religata,
              <lb/>
            juxta ſuſpendenda eſt, motuque exiguo impellenda; </s>
            <s xml:id="echoid-s4051" xml:space="preserve">ac tan-
              <lb/>
            tiſper producenda, aut contrahenda fili longitudo, donec
              <lb/>
            recurſus ejus, per quadrantem horæ, aut ſemiſſem, una feran-
              <lb/>
            tur cum reciprocationibus penduli horologio aptati. </s>
            <s xml:id="echoid-s4052" xml:space="preserve">Dixi
              <lb/>
            autem exiguo motu impellendum pendulum, quia oſcilla-
              <lb/>
            tiones exiguæ, puta 5 vel 6 partium, ſatis æqualia tempora
              <lb/>
            habent, magnæ vero non item. </s>
            <s xml:id="echoid-s4053" xml:space="preserve">Tunc, acceptâ menſurâ di-
              <lb/>
            ſtantiæ, à puncto ſuſpenſionis ad centrum oſcillationis pen-
              <lb/>
            duli ſimplicis; </s>
            <s xml:id="echoid-s4054" xml:space="preserve">eâque, ſi recurſus ſinguli ſcrupula ſecunda
              <lb/>
            valeant, in tres partes divisâ; </s>
            <s xml:id="echoid-s4055" xml:space="preserve">facient hæ ſingulæ longitudi-
              <lb/>
            nem pedis, quem
              <emph style="sc">Horarium</emph>
            in ſuperioribus vocavimus:
              <lb/>
            </s>
            <s xml:id="echoid-s4056" xml:space="preserve">quique, hoc pacto, non ſolum ubique gentium conſtitui
              <lb/>
            poſſit, ſed & </s>
            <s xml:id="echoid-s4057" xml:space="preserve">venturo ævo redintegrari. </s>
            <s xml:id="echoid-s4058" xml:space="preserve">Adeo ut & </s>
            <s xml:id="echoid-s4059" xml:space="preserve">moduli
              <lb/>
            pedum omnium aliorum, ſemel ad hunc proportionibus ſuis
              <lb/>
            expreſſi, certò quoque in poſterum cognoſci poſſint. </s>
            <s xml:id="echoid-s4060" xml:space="preserve">Sicut
              <lb/>
            jam ſupra, pedem Pariſienſem ad hunc horarium eſſe diximus,
              <lb/>
            ut 864 ad 881; </s>
            <s xml:id="echoid-s4061" xml:space="preserve">quod idem eſt ac ſi, poſito prius pede Pa-
              <lb/>
            riſienſi, dicamus tribus hujuſmodi pedibus, cum octo lineis
              <lb/>
            & </s>
            <s xml:id="echoid-s4062" xml:space="preserve">dimidia, conſtitui pendulum ſimplex, cujus oſcillationes
              <lb/>
            ſcrupulis ſecundis horariis reſponſuræ ſint. </s>
            <s xml:id="echoid-s4063" xml:space="preserve">Pes autem Pari-
              <lb/>
            ſienſis ad R henanum, quo in Patria noſtra utuntur, ſe habet
              <lb/>
            ut 144 ad 139; </s>
            <s xml:id="echoid-s4064" xml:space="preserve">hoc eſt, quinque lineis ſuis diminutus, al-
              <lb/>
            terum illum relinquit. </s>
            <s xml:id="echoid-s4065" xml:space="preserve">Atque ita & </s>
            <s xml:id="echoid-s4066" xml:space="preserve">hic pes, & </s>
            <s xml:id="echoid-s4067" xml:space="preserve">alii quilibet,
              <lb/>
            perpetuo duraturas menſuras accipiunt.</s>
            <s xml:id="echoid-s4068" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s4069" xml:space="preserve">Quomodo autem centrum oſcillationis in ſphæra, ex
              <lb/>
            qualibet longitudine ſuſpenſa, inveniatur, in ſuperioribus
              <lb/>
            demonſtratum eſt. </s>
            <s xml:id="echoid-s4070" xml:space="preserve">Nempe, ſi fiat ut diſtantia inter punctum
              <lb/>
            ſuſpenſionis & </s>
            <s xml:id="echoid-s4071" xml:space="preserve">ſphæræ centrum, ad ſemidiametrum ejus,
              <lb/>
            ita hæc ad aliam; </s>
            <s xml:id="echoid-s4072" xml:space="preserve">ejus duas quintas, à centro deorſum ac-
              <lb/>
            ceptas, terminari in quæſito oſcillationis centro. </s>
            <s xml:id="echoid-s4073" xml:space="preserve">Facile au-
              <lb/>
            tem apparet cur neceſſaria ſit hujus centri conſideratio, ad
              <lb/>
            accuratam pedis Horarii conſtitutionem. </s>
            <s xml:id="echoid-s4074" xml:space="preserve">Nam, ſi à </s>
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