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	<id>http://wiki.em-museum.org/index.php?action=history&amp;feed=atom&amp;title=Plessey</id>
	<title>Plessey - Revision history</title>
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	<updated>2026-04-29T15:43:31Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wiki.em-museum.org/index.php?title=Plessey&amp;diff=588&amp;oldid=prev</id>
		<title>Lbochtler: Created page with &quot;A maker of Electron Microscopes reffered to in the book &quot;Practical Electron Microscopy! by V. E. Cosslett.  = List of Models =  {| class=&quot;wikitable&quot; 		! scope=&quot;row&quot; colspan=&quot;9...&quot;</title>
		<link rel="alternate" type="text/html" href="http://wiki.em-museum.org/index.php?title=Plessey&amp;diff=588&amp;oldid=prev"/>
		<updated>2021-09-19T20:11:20Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;A maker of Electron Microscopes reffered to in the book &amp;quot;Practical Electron Microscopy! by V. E. Cosslett.  = List of Models =  {| class=&amp;quot;wikitable&amp;quot; 		! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;9...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;A maker of Electron Microscopes reffered to in the book &amp;quot;Practical Electron Microscopy! by V. E. Cosslett.&lt;br /&gt;
&lt;br /&gt;
= List of Models =&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
		! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;9&amp;quot; style=&amp;quot;text-align:left;&amp;quot;|&lt;br /&gt;
		|-style=&amp;quot;vertical-align:top;&amp;quot;&lt;br /&gt;
		|style=&amp;quot;text-align:center;vertical-align:middle;&amp;quot;|[[File:Plessey- Prototype.png|200px|link=Elmisonde]]&lt;br /&gt;
		|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|General&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Year&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;| 1948&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Successor&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;| &lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Magnification Range&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;| &lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Magnification Gauge Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Specemin Chamber Pressure&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Power Consumption&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;| &lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|System Weight&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		 |}&lt;br /&gt;
		 |style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		 {| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|Electrion Source&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;| Accelerator Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;| Cathode Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;| Accelerating Voltage&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Stability &lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Cathode Heating Methode &lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Alignment Methode&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		 |}&lt;br /&gt;
		|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		 {| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|Condensor&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Number of Condensor Lenses&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Current Stability&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Stigmator&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Minimum Spot Size Diameter&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Condensor Alignment&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Lens Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|Electromagnetic&lt;br /&gt;
			|-&lt;br /&gt;
		 |}&lt;br /&gt;
		|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		 {| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Holder Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|X, Y Travel Range&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		|}&lt;br /&gt;
		|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|Objective Lens&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Focal Length&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Adjustment Range&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;| &lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Spherical Error&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Current Stability&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Stigmator&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Alignment Aids&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Point Resolution&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Lens Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|Electromagnetic&lt;br /&gt;
		|}&lt;br /&gt;
		|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
		{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot; colspan=&amp;quot;2&amp;quot;|Projective Lens&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Number of Projective Lens&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Current Stability&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Polpeace Configuration&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Avalible Polpeace Magnifications&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Alignment&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|&lt;br /&gt;
			|-&lt;br /&gt;
			! scope=&amp;quot;row&amp;quot;|Lens Type&lt;br /&gt;
			|style=&amp;quot;text-align:center;&amp;quot;|Electromagnetic&lt;br /&gt;
		|} &lt;br /&gt;
	|}&lt;br /&gt;
&lt;br /&gt;
[[Category:Electron Microscope]]&lt;/div&gt;</summary>
		<author><name>Lbochtler</name></author>
	</entry>
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