Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

Page concordance

< >
Scan Original
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
< >
page |< < of 241 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/084.jpg" pagenum="76"/>
              ad lineam horizontalem excitetur perpendi­
                <lb/>
              cularis æqualis Tangenti gr. 1. (accepto ſe.
                <lb/>
              </s>
              <s>ſemiſſe numeri Canonis in partibus vnciæ
                <lb/>
              centeſimis) abſcindi poterit ex arcu gradus
                <lb/>
              vnus, cuius ſinus parum diſtabit à palmo
                <lb/>
              Romano architectonico. </s>
              <s>Quare facilè pote­
                <lb/>
              rit arcus in 60 minuta diuidi, & ex eodem
                <lb/>
              centro interuallo maiore deſcripto alio arcu,
                <lb/>
              poterunt duci lineæ tranſuerſæ, in quibus
                <lb/>
              minutorum partes ſexageſimæ diſtingui po­
                <lb/>
              terunt, prout moris eſt. </s>
              <s>Hoc inſtrumento pa­
                <lb/>
              rato angulum depreſsionis inſra horizontem,
                <lb/>
              ſeu potiùs infra lineam horizonti parallelam,
                <lb/>
              tam clarè poſſumus deprehendere, vt nihil
                <lb/>
              reliquum
                <gap/>
              quod deſideremus. </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
                <emph.end type="italics"/>
              </s>
              <s> Nec omnibus nec vbique locorum
                <lb/>
              commodum erit tuum hoc inſtrumentum
                <lb/>
              fabricari, quod vel vni loco affixum ſit opor­
                <lb/>
              tet, vel ægerrimè transferri poſſit. </s>
              <s>Neſcio
                <lb/>
                <arrow.to.target n="note38"/>
                <lb/>
              quo fato adhuc penès me in ſemilacerâfffff pa­
                <lb/>
              gellâ durat ſchediaſma hoc, quo ante men­
                <lb/>
              ſes aliquot cuidam, qui ſe in Geometriæ pra­
                <lb/>
              xi exercens dolebat nullum hactenus à ſe ad­
                <lb/>
              hibitum inſtrumentum, cui citrà inſignis
                <lb/>
              erroris ſuſpicionem poſſet fidere, organum
                <lb/>
              propoſui, quod & facilè conſtruitur, & vix
                <lb/>
              vllum relinquit errandi periculum, prout ipſa
                <lb/>
              docuit experientia. </s>
              <s>In triangulum còag­</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>