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		<title>Counter - Revision history</title>
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		<updated>2026-05-15T04:16:35Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://gunkies.org/w/index.php?title=Counter&amp;diff=35630&amp;oldid=prev</id>
		<title>Jnc: A good place to hold links to papers on early ones</title>
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				<updated>2024-12-07T19:34:15Z</updated>
		
		<summary type="html">&lt;p&gt;A good place to hold links to papers on early ones&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;A '''counter''' has been, since the predecessors to early mechanical [[computing device]]s, a mechanism which (as the name implies) counted monitored events.&lt;br /&gt;
&lt;br /&gt;
They remain, to this day, an important element in [[digital]] [[electronic]] [[hardware]].&lt;br /&gt;
&lt;br /&gt;
==History==&lt;br /&gt;
&lt;br /&gt;
The earliest mechanical counters predate their use in the [[Difference Engine]] of [[Charles Babbage|Babbage]], the first digital computing device. The first electronic counter was invented in 1931 by C. E. Wynn-Williams, &amp;lt;!-- Charles Eryl Wynn-Williams --&amp;gt; for use in his experimental work in nuclear physics. In World War II, high-speed counters were needed for use in electronic cryptanalytic devices (first in the so-called 'Heath Robinsons', and later in the [[Colossus]]), so Wynn-Williams' counters were adopted. The 'accumulators' of the [[ENIAC]] later had (because of the [[serial computer|serial]] internal nature of the ENIAC), combined with the act that they could perform addition) the nature of counters.&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
&lt;br /&gt;
* Denis Roegel, [https://annals-extras.org/anecdotes/writing/denis-counters.pdf Carries Stripped to the Bone: Episodes in the History of Coaxial Modular Digital Counters], [[Annals of the History of Computing]], Vol. 39, No. 3, July-September 2017, pp. 55-64 - early mechanical counters (both digital and analog)&lt;br /&gt;
* C. E. Wynn-Williams, [https://royalsocietypublishing.org/doi/10.1098/rspa.1931.0102 ''The Use of Thyratrons for High Speed Automatic Counting of Physical Phenomena''], Proceedings of the Royal Society of London Series A, Volume 132, Issue 819, July 1931, pp. 295-310 - the first electronic digital counter&lt;br /&gt;
* C. E. Wynn-Williams, [https://royalsocietypublishing.org/doi/10.1098/rspa.1932.0083 ''A Thyratron &amp;quot;Scale of Two&amp;quot; Automatic Counter''], Proceedings of the Royal Society of London Series A, Volume 136, Issue 829, May 1932, pp. 312-324&lt;br /&gt;
&lt;br /&gt;
[[Category: Basics]]&lt;/div&gt;</summary>
		<author><name>Jnc</name></author>	</entry>

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