<ref target="http://echo.mpiwg-berlin.mpg.de/ECHOdocuView?url=/permanent/library/KN1CRTZ2/&start=370&viewMode=image&pn=373">
f. </ref>
. </s>
<lb/>
<quote xml:lang="lat">
<s xml:space="preserve">
Proposition XIX.
<lb/>
Diametrum circuli ita continuare, ut fit continuatio ad semidiametrum adjunctum continuationi,
sicut quadratum semidiametri ad quadratum continuatae diametri.</s>
</quote>
<lb/>
<quote>
<s xml:space="preserve">
To extend the diameter of a circle so that the extension is to the semidiameter
together with the extension as the square of the semidiameter to the square of the extended diameter.</s>
</quote>
<s xml:space="preserve">]</s>
</p>
</div>
<head xml:space="preserve">
prop. 19.
<lb/>
[
<emph style="bf">Translation: </emph>
Proposition 19 from the ]</head>
<p xml:lang="lat">
<s xml:space="preserve">
Diametrum circuli ita continuare, ut fit continuatio ad semidiametrum adjunctum continuationi,
sicut quadratum semidiametri ad quadratum continuatae diametri.
<lb/>
[
<emph style="bf">Translation: </emph>
To extend the diameter of a circle so that the extension is to the semidiameter
together with the extension as the square of the semidiameter to the square of the extended diameter.</s>