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	<title>Page:Organum mathematicum libris IX. explicatum (1668).djvu/821 - Revision history</title>
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	<updated>2026-04-05T18:56:19Z</updated>
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		<id>https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/821&amp;diff=101090&amp;oldid=prev</id>
		<title>Ginevra Crosignani: /* Not proofread */ Created page with &quot;''Usus Tabulae'' pracedentis hic est.  Si Signum Zodiaci , cujus graduum declinationes ab Aequatore scire cupis, reperiatur in superiore parte Tabulae , accipe gradus in prima...&quot;</title>
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		<updated>2020-07-23T14:45:22Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Not proofread: &lt;/span&gt; Created page with &amp;quot;&amp;#039;&amp;#039;Usus Tabulae&amp;#039;&amp;#039; pracedentis hic est.  Si Signum Zodiaci , cujus graduum declinationes ab Aequatore scire cupis, reperiatur in superiore parte Tabulae , accipe gradus in prima...&amp;quot;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;noinclude&amp;gt;&amp;lt;pagequality level=&amp;quot;1&amp;quot; user=&amp;quot;Ginevra Crosignani&amp;quot; /&amp;gt;&amp;lt;/noinclude&amp;gt;''Usus Tabulae'' pracedentis hic est.  Si Signum Zodiaci , cujus graduum declinationes ab Aequatore scire cupis, reperiatur in superiore parte Tabulae , accipe gradus in prima columna ad sintram Tabulae; si vero Signum reperitur in inferiore parte Tabulae, accipe gradus in ultima columna ad dexteram.  A gradu invento ingredere vel sinistrorsum, vel dextrorsum, columnam intermediam, in cujus vertice vel calce reperitur Signum, et illico in communi concursu Signi et gradus invenies gradus et minuta declinationis quaesitae.&amp;lt;br&amp;gt;&lt;br /&gt;
EXEMPLUM. Vis scire, quantum declinet gradus 10 Taurus ab Aequatore. Quia Signum Taurus reperitur in vertice columnae secundae intermediae, accipe 10 gradum in columna prima ad sinistram: ab hoc gradu perge dextrorsum, a Signo Tauri deorsum; in communi concursus angulo reperies 14 gradus, 51 minuta. Tot ergo gradibus et minutis declinat decimus gradus Tauri ab Aequatore. Plura exempla non appono, quoniam res Clara et faciis est.&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;lt;center&amp;gt;Annotationes.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;center&amp;gt;''De poli altitudine indaganda ex cognita Solis declinatione quovis tempore.''&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
{{SidenoteRight|''Poli altitudinem invenire.''}}''I. Cognitio declinationis Solis ad multa utilis est , praesertim ad poli altitudinem quovis tempore et loco inveniendam , ut bene notavit Auctor Organi in fine Libelli sexti.  Nam si Instrumento aliquo observatorio, ut Quadrante Astronomico, Radio Astronomico, Astrolabio, aliove exzcte indagetur altutido Meridiana Solis, quocunque loco et tempore; et, Sole existente in Signis Borealibus, declination ejus ab Altitudine Meridiana inventa subtrahatur, existente vero in Signiss Australibus, declinatio addatur ad Meridianam altitudinem; habebitur altitudo Aequatoris illius loci, cujus complementur ad eo, est altitudo poli.&amp;lt;br&amp;gt;&lt;br /&gt;
Sed praxin in Tyronum gratiam explicemus melius, quoniam non utilis modo , sed et jucunda est.&amp;lt;br&amp;gt;&lt;br /&gt;
Sit loci, cujus poli altitudinem scire cupis, Meridianus AC BD,''&amp;lt;noinclude&amp;gt;&amp;lt;references/&amp;gt; {{TurnPage}}&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>Ginevra Crosignani</name></author>
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