Vitruvius, Vitrvvivs Itervm Et Frontinvs À Iocvndo Revisi Repvrgatiqve Qvantvm Ex Collatione Licvit, 1513

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            Horæ diſponuntur ex uirgulis æneis ex analẽmatos
              <lb/>
            deſcriptione ab centro diſpoſitæ in fronte, In ea cir cu
              <lb/>
            li ſunt circundati menſtrua ſpacia finientes. </s>
            <s xml:space="preserve">Poſt has
              <lb/>
            uirgulas tympanũ collocetur, in quo deſcriptus & </s>
            <s xml:space="preserve">de-
              <lb/>
            pictus fit mũdus ſigniferq́ circulus, deſcriptioq́ ex
              <lb/>
            duodecim cæleſtium ſignorum ſit figurata, cuius ẽ cẽ
              <lb/>
            tro deformatur cuiuſlibet ſigni ſpacium unũ maius,
              <lb/>
            alterum minus. </s>
            <s xml:space="preserve">Poſteriori autcm parti tympano me-
              <lb/>
            dio, axis uerſatilis ẽ incluſus, inq́ eo axi æned mol-
              <lb/>
            lis catena eſt inuoluta, ex qua pendet ex una parte
              <lb/>
            phellos ſiue tympanum, quod ab aquaſubleuatur, ex
              <lb/>
            alterd æquo pondere phelli ſacoma ſaburrale, Itaꝗ̃tũ
              <lb/>
            ab aqua phellos ſubleuatur, tantum ſaburræ põdus
              <lb/>
            infra deducens uerſat axem, Axis autem tympanũ,
              <lb/>
            cuius tympãi uerſatio alias efficit uti maior pars cir
              <lb/>
            culi ſigniſeri, alias minor in uerſationibus, ſuis tem-
              <lb/>
            poribus deſignet borarum proprietates. </s>
            <s xml:space="preserve">Nāq, in ſin-
              <lb/>
            gulis ſignis ſui cuiuſq́ menſis dierum numeri caua
              <lb/>
            ſunt perfecta, cuius bulla quæſolis imagmem borolo-
              <lb/>
            giis tenere uideur, ſignificat borarũ ſpacia, ea trãſ-
              <lb/>
            lata ex terebratione in terebr ationem menſis uerten
              <lb/>
            tis perficit curſum ſuum. </s>
            <s xml:space="preserve">Itaq́ quemadmodũ ſol per
              <lb/>
            ſiderum ſpacia uadens dilatat cōtrabitq́ dies & </s>
            <s xml:space="preserve">ho
              <lb/>
            ras, ſic bulla in horologiis in grediens per puncta cō
              <lb/>
            tra centri tympani uerſationem, quotidie cum tranſ-
              <lb/>
            fertur aliis temporibus per latiora, aliis per anguſtio
              <lb/>
            ra ſpacia menſtruis finitionibus imagines efficit ho-
              <lb/>
            rarum & </s>
            <s xml:space="preserve">dierum, De adminiſtratione autem aquæ,
              <lb/>
            quemadmodum ſe temperet ad rationem, ſic erit faci
              <lb/>
            endũ, Poſt frontem horologii, intra collocetur </s>
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