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	<id>https://en.formulasearchengine.com/index.php?action=history&amp;feed=atom&amp;title=Helix_angle</id>
	<title>Helix angle - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://en.formulasearchengine.com/index.php?action=history&amp;feed=atom&amp;title=Helix_angle"/>
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	<updated>2026-05-21T00:43:01Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=255562&amp;oldid=prev</id>
		<title>en&gt;John of Reading: Typo/general fixing, typo(s) fixed: self locking → self-locking using AWB</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=255562&amp;oldid=prev"/>
		<updated>2014-07-07T12:39:26Z</updated>

		<summary type="html">&lt;p&gt;Typo/&lt;a href=&quot;/index.php?title=WP:AWB/GF&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;WP:AWB/GF (page does not exist)&quot;&gt;general&lt;/a&gt; fixing, &lt;a href=&quot;/index.php?title=WP:AWB/T&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;WP:AWB/T (page does not exist)&quot;&gt;typo(s) fixed&lt;/a&gt;: self locking → self-locking using &lt;a href=&quot;/index.php?title=Testwiki:AWB&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Testwiki:AWB (page does not exist)&quot;&gt;AWB&lt;/a&gt;&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;amp;diff=255562&amp;amp;oldid=17831&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;John of Reading</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=17831&amp;oldid=prev</id>
		<title>en&gt;Bgwhite: Reverted edits by 14.139.225.50 (talk) to last version by 117.207.238.150</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=17831&amp;oldid=prev"/>
		<updated>2014-01-31T01:33:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;a href=&quot;/index.php?title=Help:Reverting&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Help:Reverting (page does not exist)&quot;&gt;Reverted&lt;/a&gt; edits by &lt;a href=&quot;/wiki/Special:Contributions/14.139.225.50&quot; title=&quot;Special:Contributions/14.139.225.50&quot;&gt;14.139.225.50&lt;/a&gt; (&lt;a href=&quot;/index.php?title=User_talk:14.139.225.50&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;User talk:14.139.225.50 (page does not exist)&quot;&gt;talk&lt;/a&gt;) to last version by 117.207.238.150&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;amp;diff=17831&amp;amp;oldid=255561&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;Bgwhite</name></author>
	</entry>
	<entry>
		<id>https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=255561&amp;oldid=prev</id>
		<title>en&gt;Helpful Pixie Bot: ISBNs (Build KE)</title>
		<link rel="alternate" type="text/html" href="https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;diff=255561&amp;oldid=prev"/>
		<updated>2012-05-08T16:56:14Z</updated>

		<summary type="html">&lt;p&gt;ISBNs (Build KE)&lt;/p&gt;
&lt;a href=&quot;https://en.formulasearchengine.com/index.php?title=Helix_angle&amp;amp;diff=255561&quot;&gt;Show changes&lt;/a&gt;</summary>
		<author><name>en&gt;Helpful Pixie Bot</name></author>
	</entry>
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