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	<title>Page:Organum mathematicum libris IX. explicatum (1668).djvu/301 - Revision history</title>
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	<updated>2026-04-21T00:05:57Z</updated>
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		<id>https://gate.unigre.it/mediawiki/index.php?title=Page:Organum_mathematicum_libris_IX._explicatum_(1668).djvu/301&amp;diff=97873&amp;oldid=prev</id>
		<title>Ginevra Crosignani: /* Not proofread */ Created page with &quot;&lt;center&gt;Geometricus.&lt;/center&gt;&lt;br&gt;  suspende Quadrantem, et per pinnacidia lateris E C dirige radium visualem in M , pendente interim libere perpendiculo C G, planumque Quadran...&quot;</title>
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		<updated>2020-06-30T17:04:59Z</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;lt;center&amp;gt;Geometricus.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;  suspende Quadrantem, et per pinnacidia lateris E C dirige radium visualem in M , pendente interim libere perpendiculo C G, planumque Quadran...&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;&amp;lt;center&amp;gt;Geometricus.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
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suspende Quadrantem, et per pinnacidia lateris E C dirige radium visualem in M , pendente interim libere perpendiculo C G, planumque Quadrantis radente.  Tertio. Vide quem arcum abscindat perpendiculum inter F et G, et quantus sit angulus F C G. Sit v.g. graduum 30. Hunc quaere in prima columna Tabellarum.   Tangens in secunda columna e regione indicat, turrim esse altam pedes ( vel passus) 57; (credo sia ; a meno che non sia 575) Secans in columna tertia docet,diagonalem K M esse Pedum (vel passuum) 115.&amp;lt;br&amp;gt;&lt;br /&gt;
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&amp;lt;center&amp;gt;Annotationes.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
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''	I. Eadem est ratio, quemcunque angulum efficiat perpendiculum cum latere C F Quadrantis : si enim angulus repertus, seu numerus graduum anguli reperti, quaeratur in columna prima Tabellarum, habebis semper e regione in columna secunda altitudinem, in tertia diagonalem, in pedibus aut passibus, aliave mensura nota, prout distantiam inter N et R sumpsisti in pedibus, aut passibus, aliave mensura nota.''&amp;lt;br&amp;gt;&lt;br /&gt;
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	''II. Ratio operationis est, quia si inter latus C F Quadrantis, et perpendiculum C G, ducatur recta F A, perpendicularis ad rectam C G; fit Triangulum  C A F rectangulum ad A, et aequiangulum triangulo K N M. Nam anguli ad A et N sunt recti : angulus C F A est aequalis angulo K M N, quia aequalis est angulo E C G, ut pote (due parole o una?) complementum complemento anguli F C A ad rectum; angulus autem E C G aequalis est angulo R M N, per 29.primi.  Reliquus ergo F C A reliquo M R N aequalis est, per 32.primi.  Ergo ut C A ad A F, ita R N ad N M. Si ergo C A statuatur sinus totus 100 partium, et A F Tangens anguli F C A 57 partium ; cum et latus R N sit 100 pedum, erit latus N M pedum 57.''&amp;lt;br&amp;gt;&lt;br /&gt;
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&amp;lt;center&amp;gt;PROPOSITIO III.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
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&amp;lt;center&amp;gt;''Metiri latitudines horizontales rerum ex una parte accessibiles, sine calculo Arithmetico, ope Quadrantis stabilis, et Tabellarum Geometricarum rubro colore imbutarum''.&amp;lt;/center&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
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{{SidenoteRight|''Metiri latitudines horizontales.''}} LAtitudines horizontales vocamus spatia horizonti parallela, extensa inter duo extrema puncta aut signa, cujusmodi sunt latitudines&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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