CINXE.COM

<!DOCTYPE html> <html class="client-nojs" lang="en" dir="ltr"> <head><script type="text/javascript" src="/_static/js/bundle-playback.js?v=HxkREWBo" charset="utf-8"></script> <script type="text/javascript" src="/_static/js/wombat.js?v=txqj7nKC" charset="utf-8"></script> <script>window.RufflePlayer=window.RufflePlayer||{};window.RufflePlayer.config={"autoplay":"on","unmuteOverlay":"hidden"};</script> <script type="text/javascript" src="/_static/js/ruffle/ruffle.js"></script> <script type="text/javascript"> __wm.init("https://web.archive.org/web"); __wm.wombat("https://ethw.org/Special:UserLogin?returnto=User_talk%3ARronquil","20200812210237","https://web.archive.org/","web","/_static/", "1597266157"); </script> <link rel="stylesheet" type="text/css" href="/_static/css/banner-styles.css?v=S1zqJCYt" /> <link rel="stylesheet" type="text/css" href="/_static/css/iconochive.css?v=3PDvdIFv" />  <meta charset="UTF-8"/> <title>Log in - Engineering and Technology History Wiki</title> <script>document.documentElement.className = document.documentElement.className.replace( /(^|\s)client-nojs(\s|$)/, "$1client-js$2" );</script> <script>(window.RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgCanonicalNamespace":"Special","wgCanonicalSpecialPageName":"Userlogin","wgNamespaceNumber":-1,"wgPageName":"Special:UserLogin","wgTitle":"UserLogin","wgCurRevisionId":0,"wgRevisionId":0,"wgArticleId":0,"wgIsArticle":false,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":[],"wgBreakFrames":false,"wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy","wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgMonthNamesShort":["","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"],"wgRelevantPageName":"Special:UserLogin","wgRelevantArticleId":0,"wgRequestId":"82f8a727687bf0735f5aab00","wgIsProbablyEditable":false,"wgRelevantPageIsProbablyEditable":false,"srfFilteredConfig":null,"wgWikiEditorEnabledModules":[],"wgULSAcceptLanguageList":["en-us","en"],"wgULSCurrentAutonym":"English","wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en","usePageImages":false,"usePageDescriptions":false},"wgPageFormsTargetName":null,"wgPageFormsAutocompleteValues":[],"wgPageFormsAutocompleteOnAllChars":false,"wgPageFormsFieldProperties":[],"wgPageFormsCargoFields":[],"wgPageFormsDependentFields":[],"wgPageFormsCalendarValues":[],"wgPageFormsCalendarParams":[],"wgPageFormsCalendarHTML":null,"wgPageFormsGridValues":[],"wgPageFormsGridParams":[],"wgPageFormsContLangYes":null,"wgPageFormsContLangNo":null,"wgPageFormsContLangMonths":[],"wgPageFormsHeightForMinimizingInstances":800,"wgPageFormsShowOnSelect":[],"wgPageFormsScriptPath":"/w/extensions/PageForms","edgValues":null,"wgPageFormsEDSettings":null,"wgAmericanDates":false,"egMapsDebugJS":false,"egMapsAvailableServices":["leaflet","openlayers","googlemaps3"],"wgVisualEditorToolbarScrollOffset":0,"wgVisualEditorUnsupportedEditParams":["undo","undoafter","veswitched"],"wgEditSubmitButtonLabelPublish":false});mw.loader.state({"user.options":"ready","user.tokens":"loading","mediawiki.ui.input":"ready","mediawiki.ui.radio":"ready","mediawiki.ui.checkbox":"ready","mediawiki.ui":"ready","mediawiki.ui.button":"ready","mediawiki.special.userlogin.common.styles":"ready","mediawiki.special.userlogin.login.styles":"ready","mediawiki.htmlform.styles":"ready","ext.uls.pt":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.smw.style":"ready","ext.smw.tooltip.styles":"ready","bootstrap.css":"ready","skin.booty.css":"ready","font-awesome":"ready","mediawiki.legacy.shared":"ready","mediawiki.legacy.commonPrint":"ready","mediawiki.sectionAnchor":"ready","raphael.js":"loading"});mw.loader.implement("user.tokens@0x3gl1x",function($,jQuery,require,module){/*@nomin*/mw.user.tokens.set({"editToken":"+\\","patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); });mw.loader.load(["ext.confirmAccount","mediawiki.htmlform","mediawiki.page.startup","mediawiki.user","mediawiki.hidpi","mediawiki.page.ready","mediawiki.searchSuggest","ext.ethw","ext.uls.init","ext.uls.geoclient","ext.uls.interface","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.smw.style","bootstrap.js","skin.booty.js"]);mw.loader.load("/w/load.php?debug=false\u0026lang=en\u0026modules=raphael.js\u0026only=scripts\u0026skin=booty");});</script> <link rel="stylesheet" href="/web/20200812210237cs_/https://ethw.org/w/load.php?debug=false&lang=en&modules=bootstrap.css%7Cfont-awesome&only=styles&skin=booty"/> <link rel="stylesheet" href="/web/20200812210237cs_/https://ethw.org/w/load.php?debug=false&lang=en&modules=ext.smw.style%7Cext.smw.tooltip.styles&only=styles&skin=booty"/> <link rel="stylesheet" href="/web/20200812210237cs_/https://ethw.org/w/load.php?debug=false&lang=en&modules=ext.uls.pt%7Cext.visualEditor.desktopArticleTarget.noscript%7Cmediawiki.htmlform.styles%7Cmediawiki.legacy.commonPrint%2Cshared%7Cmediawiki.sectionAnchor%2Cui%7Cmediawiki.special.userlogin.common.styles%7Cmediawiki.special.userlogin.login.styles%7Cmediawiki.ui.button%2Ccheckbox%2Cinput%2Cradio&only=styles&skin=booty"/> <link rel="stylesheet" href="/web/20200812210237cs_/https://ethw.org/w/load.php?debug=false&lang=en&modules=skin.booty.css&only=styles&skin=booty"/> <script async="" src="/web/20200812210237js_/https://ethw.org/w/load.php?debug=false&lang=en&modules=startup&only=scripts&skin=booty"></script> <style>@font-face { font-family: 'Glyphicons Halflings'; src: url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/bootstrap-3.2.0/fonts/glyphicons-halflings-regular.eot'); src: url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/bootstrap-3.2.0/fonts/glyphicons-halflings-regular.eot#iefix') format('embedded-opentype'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/bootstrap-3.2.0/fonts/glyphicons-halflings-regular.woff') format('woff'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/bootstrap-3.2.0/fonts/glyphicons-halflings-regular.ttf') format('truetype'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/bootstrap-3.2.0/fonts/glyphicons-halflings-regular.svg#glyphicons-halflingsregular') format('svg'); }</style><style>/*<![CDATA[*/@font-face { font-family: 'FontAwesome'; src: url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/font-awesome-4.0.3/fonts/fontawesome-webfont.eot?v=4.0.3'); src: url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/font-awesome-4.0.3/fonts/fontawesome-webfont.eot#iefix&v=4.0.3') format('embedded-opentype'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/font-awesome-4.0.3/fonts/fontawesome-webfont.woff?v=4.0.3') format('woff'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/font-awesome-4.0.3/fonts/fontawesome-webfont.ttf?v=4.0.3') format('truetype'), url('/web/20200812210237im_/https://ethw.org/w/skins/Booty/font-awesome-4.0.3/fonts/fontawesome-webfont.svg?v=4.0.3#fontawesomeregular') format('svg'); font-weight: normal; font-style: normal; }/*]]>*/</style> <meta name="ResourceLoaderDynamicStyles" content=""/> <meta name="generator" content="MediaWiki 1.31.0"/> <meta name="robots" content="noindex,nofollow"/> <meta name="viewport" content="width=device-width"/> <link rel="shortcut icon" href="/web/20200812210237im_/https://ethw.org/favicon.ico"/> <link rel="search" type="application/opensearchdescription+xml" href="/web/20200812210237/https://ethw.org/w/opensearch_desc.php" title="ETHW (en)"/> <link rel="EditURI" type="application/rsd+xml" href="https://ethw.org/w/api.php?action=rsd"/> <link rel="alternate" type="application/atom+xml" title="ETHW Atom feed" href="/web/20200812210237/https://ethw.org/w/index.php?title=Special:RecentChanges&feed=atom"/> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> <link href="https://web.archive.org/web/20200812210237cs_/https://fonts.googleapis.com/css?family=Open+Sans:400italic,600italic,700italic,700,600,400" rel="stylesheet" type="text/css">  </head> <body class="mediawiki ltr sitedir-ltr mw-hide-empty-elt ns--1 ns-special mw-special-Userlogin page-Special_UserLogin rootpage-Special_UserLogin skin-booty action-view sitename-ethw layout-default user-anonymous"><nav id="topnavbar" role="navigation" class="navbar navbar-inverse navbar-default"> <div class="container"> <div class="navbar-header"> <button class="navbar-toggle" type="button" data-toggle="collapse" data-target="#navbarCollapse"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button> <a class="navbar-brand" id="top-nav-name" href="/web/20200812210237/https://ethw.org/Main_Page"> <span class="topnav-name visible-sm visible-xs">ETHW</span> <span class="topnav-name visible-md visible-lg">Engineering and Technology History Wiki</span> </a> </div> <div id="navbarCollapse" class="collapse navbar-collapse"> <ul class="nav navbar-nav"> <li class="page-menu dropdown"> <a href="" data-toggle="dropdown" class="dropdown-toggle"> <i class="glyphicon glyphicon-th-list"></i> Go <b class="caret"></b> </a> <ul class="dropdown-menu"> <li id="n-Browse-by-Subject"><a href="/web/20200812210237/https://ethw.org/ETHW:Subject_browse">Browse by Subject</a></li> <li class="divider"></li> <li id="n-Encyclopedia"><a href="/web/20200812210237/https://ethw.org/Encyclopedia">Encyclopedia</a></li> <li id="n-Oral-Histories"><a href="/web/20200812210237/https://ethw.org/Oral-History:List_of_all_Oral_Histories">Oral Histories</a></li> <li id="n-First-Hand-Histories"><a href="/web/20200812210237/https://ethw.org/First-Hand:List_of_First_Hand_Histories">First Hand Histories</a></li> <li id="n-Landmarks.2FMilestones"><a href="/web/20200812210237/https://ethw.org/Landmarks">Landmarks/Milestones</a></li> <li id="n-Archives"><a href="/web/20200812210237/https://ethw.org/Archives:Archival_Collections">Archives</a></li> <li id="n-Education"><a href="/web/20200812210237/https://ethw.org/ETHW:About-Education">Education</a></li> <li class="divider"></li> <li id="n-Random-page"><a href="/web/20200812210237/https://ethw.org/Special:Random">Random page</a></li> <li class="divider"></li> <li id="n-help"><a href="/web/20200812210237/https://ethw.org/Help:Contents" title="The place to find out">Help</a></li> <li id="n-Contact-us"><a href="/web/20200812210237/https://ethw.org/Special:Contact">Contact us</a></li> <li class="divider"></li> <li id="n-Recent-changes"><a href="/web/20200812210237/https://ethw.org/Special:RecentChanges">Recent changes</a></li> <li id="n-New-pages"><a href="/web/20200812210237/https://ethw.org/Special:NewPages">New pages</a></li> <li class="divider"></li> </ul> </li> <li class="page-menu dropdown"> <a href="" data-toggle="dropdown" class="dropdown-toggle"> <i class="glyphicon glyphicon-file"></i> <span class="title">Actions</span> <b class="caret"></b> </a> <ul class="dropdown-menu"> <li id="ca-nstab-special" class="selected"><a href="/web/20200812210237/https://ethw.org/Special:UserLogin?returnto=User_talk%3ARronquil" title="This is a special page, and it cannot be edited">Special page</a></li> <li class="divider"></li> </ul> </li> <li class="toolbox-menu dropdown"> <a href="" data-toggle="dropdown" class="dropdown-toggle"> <i class="glyphicon glyphicon-cog"></i> <span class="title">Tools</span> <b class="caret"></b> </a> <ul class="dropdown-menu"> <li id="t-specialpages"><a href="/web/20200812210237/https://ethw.org/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q">Special pages</a></li> <li id="t-print"><a href="/web/20200812210237/https://ethw.org/w/index.php?title=Special:UserLogin&returnto=User_talk%3ARronquil&printable=yes" rel="alternate" title="Printable version of this page [p]" accesskey="p">Printable version</a></li> </ul> </li> <li class="user-menu dropdown"><a href="#" class="dropdown-toggle" title="Account" data-toggle="dropdown"> <i class="glyphicon glyphicon-user"></i> <span class="title">Account</span> <b class="caret"></b></a> <ul class="dropdown-menu"> <li class="active"><a href="/web/20200812210237/https://ethw.org/w/index.php?title=Special:UserLogin&returnto=User_talk%3ARronquil">Log in</a></li><li class="divider"></li><li><a href="/web/20200812210237/https://ethw.org/Special:RequestAccount">Request account</a></li> </ul> </li> </ul> <ul class="nav navbar-nav navbar-right"> </ul> <form class="navbar-form navbar-right" role="search" method="get"> <div class="form-group" style="display:inline;"> <div class="input-group"> <input type="search" class="form-control" name="search" placeholder="Search" id="searchInput"> <div class="input-group-btn"> <button type="submit" class="btn btn-info" id="searchGoButton"> <span class="glyphicon glyphicon-search"></span> </button> </div> </div> </div> </form> </div> </div> </nav> <div id="page"> <div id="lower-container" class=""> <div class="bootstrap-ve"> <div class="firstHeading" id="firstHeading" style="display:none;"></div> </div> <div id="content-container" class="container has-title">  <article id="content" class="mw-body " role="main"> <a id="top"></a>  <h1 class="page-title firstHeading">Log in</h1> <div id="bodyContent"> <div class="container"><div class="row"><div class="col-sm-12 col-md-9"> <div id="contentSub"></div>  <div id="mw-content-text"><div class="mw-ui-container"><div id="userloginprompt"></div><div id="userloginForm"><form class="mw-htmlform mw-ui-vform mw-ui-container" action="/web/20200812210237/https://ethw.org/w/index.php?title=Special:UserLogin&returnto=User_talk:Rronquil" method="post" name="userlogin"><div> <div class="mw-htmlform-field-HTMLInfoField mw-ui-vform-field"><div class="mw-input mw-htmlform-nolabel"><p>To obtain a user account, you must <b><a href="/web/20200812210237/https://ethw.org/Special:RequestAccount" title="Special:RequestAccount">request one</a></b>. </p> </div></div><div class="mw-htmlform-field-HTMLTextField loginText mw-ui-vform-field"><label for="wpName1">Username</label><div class="mw-input"><input id="wpName1" name="wpName" size="20" class="loginText mw-ui-input" placeholder="Enter your username" tabindex="1" required="" autofocus=""/> </div></div><div class="mw-htmlform-field-HTMLTextField loginPassword mw-ui-vform-field"><label for="wpPassword1">Password</label><div class="mw-input"><input id="wpPassword1" name="wpPassword" size="20" class="loginPassword mw-ui-input" placeholder="Enter your password" tabindex="2" required="" type="password"/> </div></div><div class="mw-htmlform-field-HTMLCheckField mw-ui-vform-field"><div class="mw-input mw-htmlform-nolabel"><div class="mw-ui-checkbox"><input name="wpRemember" type="checkbox" value="1" checked="checked" id="wpRemember" tabindex="3"/> <label for="wpRemember">Keep me logged in</label></div> </div></div><div class="mw-htmlform-field-HTMLSubmitField mw-ui-vform-field"><div class="mw-input mw-htmlform-nolabel"><button class="mw-htmlform-submit mw-ui-button mw-ui-primary mw-ui-progressive" id="wpLoginAttempt" type="submit" name="wploginattempt" value="Log in" tabindex="4">Log in</button> </div></div><div class="mw-htmlform-field-HTMLInfoField mw-form-related-link-container mw-userlogin-help mw-ui-vform-field"><div class="mw-input mw-htmlform-nolabel"><a href="https://web.archive.org/web/20200812210237/https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Logging_in">Help with logging in</a> </div></div><div class="mw-htmlform-field-HTMLInfoField mw-form-related-link-container mw-ui-vform-field"><div class="mw-input mw-htmlform-nolabel"><a href="/web/20200812210237/https://ethw.org/Special:PasswordReset" title="Special:PasswordReset">聽聽Forgot your password?</a> </div></div> </div><input id="wpEditToken" type="hidden" value="+\" name="wpEditToken"/> <input type="hidden" value="Special:UserLogin" name="title"/> <input name="authAction" type="hidden" value="login"/> <input name="force" type="hidden"/> <input name="wpLoginToken" type="hidden" value="f6d49ea8b7ad90cb2b6bc5e0d7209db55f3458ed+\"/> </form></div></div></div><div class="printfooter"> Retrieved from "<a dir="ltr" href="https://web.archive.org/web/20200812210237/https://ethw.org/Special:UserLogin">https://ethw.org/Special:UserLogin</a>"</div> <div id="catlinks" class="catlinks catlinks-allhidden" data-mw="interface"></div>  <div class="visualClear"></div> </div><div class="row"><div class="hidden-sm col-md-3"> </div> </div> </article> </div> </div> <footer id="main-footer" role="contentinfo"> <div class="container"> <div id="f-poweredbyico"> <a href="//web.archive.org/web/20200812210237/https://www.mediawiki.org/" target="_blank"><img src="/web/20200812210237im_/https://ethw.org/w/resources/assets/poweredby_mediawiki_88x31.png" alt="Powered by MediaWiki" srcset="/web/20200812210237im_/https://ethw.org/w/resources/assets/poweredby_mediawiki_132x47.png 1.5x, /web/20200812210237im_/https://ethw.org/w/resources/assets/poweredby_mediawiki_176x62.png 2x" width="88" height="31"/></a> <a href="https://web.archive.org/web/20200812210237/https://www.semantic-mediawiki.org/wiki/Semantic_MediaWiki" target="_blank"><img src="/web/20200812210237im_/https://ethw.org/w/extensions/SemanticMediaWiki/res/images/smw_button.png" alt="Powered by Semantic MediaWiki" width="88" height="31"/></a> </div> <ul id="f-links"> <li id="about"><a href="/web/20200812210237/https://ethw.org/ETHW:About" title="ETHW:About">About ETHW</a></li> <li id="disclaimer"><a href="/web/20200812210237/https://ethw.org/ETHW:Policies" title="ETHW:Policies">Policies and disclaimers</a></li> </ul> </div> </footer> <script>(window.RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgBackendResponseTime":271});});</script></div> </body></html>