161![Charles Babbage Institute: Charles Babbage Institute:](https://www.pdfsearch.io/img/5dfee64664533469d9dbd458c5516dd2.jpg) | Add to Reading ListSource URL: www.cbi.umn.eduLanguage: English - Date: 2013-03-18 14:36:49
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162![Difference Engines DIFFERENCE ENGINES IN THE 20th CENTURY Difference Engines DIFFERENCE ENGINES IN THE 20th CENTURY](https://www.pdfsearch.io/img/408cf4bd1c12eb986ed034917c7a4a39.jpg) | Add to Reading ListSource URL: www.mechrech.infoLanguage: English - Date: 2010-09-30 03:22:24
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163![The stream cipher MICKEY 2.0 Steve Babbage The stream cipher MICKEY 2.0 Steve Babbage](https://www.pdfsearch.io/img/abd677ec7ddb361977a9b326ea9f4f06.jpg) | Add to Reading ListSource URL: www.ecrypt.eu.orgLanguage: English - Date: 2007-03-29 16:18:54
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164![The stream cipher MICKEY[removed]Steve Babbage The stream cipher MICKEY[removed]Steve Babbage](https://www.pdfsearch.io/img/7dc1bbd9625bfc54233c2d8bd19e4ca2.jpg) | Add to Reading ListSource URL: www.ecrypt.eu.orgLanguage: English - Date: 2006-08-18 11:15:27
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165![](https://www.pdfsearch.io/img/0125577a971230b7de788c231ce2aa30.jpg) | Add to Reading ListSource URL: www.cbi.umn.eduLanguage: English - Date: 2007-05-17 09:37:14
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166![](https://www.pdfsearch.io/img/e6618c02b2c6c2de077e15b095cf9da2.jpg) | Add to Reading ListSource URL: www.cbi.umn.eduLanguage: English - Date: 2007-05-17 11:53:12
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167![](https://www.pdfsearch.io/img/4fa8215d12f8d23b7c81e68ea227e6b6.jpg) | Add to Reading ListSource URL: conservancy.umn.eduLanguage: English - Date: 2012-02-23 11:37:29
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168![](https://www.pdfsearch.io/img/424815daf076187d155e6617ac867ed8.jpg) | Add to Reading ListSource URL: ed-thelen.orgLanguage: English - Date: 2012-05-26 01:12:59
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169![](https://www.pdfsearch.io/img/f44afb8ef12a9641531692ec9ec365eb.jpg) | Add to Reading ListSource URL: invention.smithsonian.orgLanguage: English - Date: 2006-08-24 13:41:33
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170![](https://www.pdfsearch.io/img/fa9900f0f351e8f41d784057d8070369.jpg) | Add to Reading ListSource URL: bjo.bmj.comLanguage: English |
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