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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Parker%27s_Roman_Cement</id>
		<title>Parker's Roman Cement - Revision history</title>
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		<updated>2026-05-30T07:17:48Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://www.designingbuildings.co.uk/w/index.php?title=Parker%27s_Roman_Cement&amp;diff=182763&amp;oldid=prev</id>
		<title>Designing Buildings: moved Parker’s Roman Cement to Parker's Roman Cement</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Parker%27s_Roman_Cement&amp;diff=182763&amp;oldid=prev"/>
				<updated>2020-11-19T11:06:48Z</updated>
		
		<summary type="html">&lt;p&gt;moved &lt;a href=&quot;/wiki/Parker%E2%80%99s_Roman_Cement&quot; class=&quot;mw-redirect&quot; title=&quot;Parker’s Roman Cement&quot;&gt;Parker’s Roman Cement&lt;/a&gt; to &lt;a href=&quot;/wiki/Parker%27s_Roman_Cement&quot; title=&quot;Parker's Roman Cement&quot;&gt;Parker&amp;#039;s Roman Cement&lt;/a&gt;&lt;/p&gt;
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		&lt;tr valign='top'&gt;
		&lt;td colspan='1' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='1' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 11:06, 19 November 2020&lt;/td&gt;
		&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Parker%27s_Roman_Cement&amp;diff=182758&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://historicengland.org.uk/images-books/publications/durability-guaranteed-pulhamite-rockwork/durabilityguaranteedpulhamite/ Durability Guaranteed - Pulhamite Rockwork - Its...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Parker%27s_Roman_Cement&amp;diff=182758&amp;oldid=prev"/>
				<updated>2020-11-19T10:56:23Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://historicengland.org.uk/images-books/publications/durability-guaranteed-pulhamite-rockwork/durabilityguaranteedpulhamite/ Durability Guaranteed - Pulhamite Rockwork - Its...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[https://historicengland.org.uk/images-books/publications/durability-guaranteed-pulhamite-rockwork/durabilityguaranteedpulhamite/ Durability Guaranteed - Pulhamite Rockwork - Its conservation and repair], published by Historic England in 2008, defines Parker’s Roman Cement as: ‘A quick-setting natural hydraulic cement – also called Roman Cement – made from septaria (calcined nodules of argillaceous limestone) from the Thames estuary, typically combined with sand at 1:1 or 1:2, and patented in 1796 by James Parker.’&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* Bentonite.&lt;br /&gt;
* Cement.&lt;br /&gt;
* Concrete.&lt;br /&gt;
* Grout.&lt;br /&gt;
* Historic England.&lt;br /&gt;
* Historic England.&lt;br /&gt;
* Hydraulic lime.&lt;br /&gt;
* Lime mortar.&lt;br /&gt;
* Medina cement.&lt;br /&gt;
* Mortar.&lt;br /&gt;
* Portland cement.&lt;br /&gt;
* Sand.&lt;br /&gt;
* Types of cement.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:Definitions]] [[Category:Products_/_components]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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