{"id":3693,"date":"2018-10-16T10:14:08","date_gmt":"2018-10-16T15:14:08","guid":{"rendered":"http:\/\/commons.princeton.edu\/josephhenry\/?page_id=3693"},"modified":"2022-07-28T14:37:11","modified_gmt":"2022-07-28T19:37:11","slug":"joseph-henry-apparatus-project","status":"publish","type":"page","link":"https:\/\/commons.princeton.edu\/josephhenry\/","title":{"rendered":"Joseph Henry Apparatus Project"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text]<\/p>\n<h3>Michael Littman<\/h3>\n<p><em>Donald P Wilson &#8217;33 and Edna M. Wilson Freshman Seminar.<\/em>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3695\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenry-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenry-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenry-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenry.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/\"><strong>Joseph Henry (1799-1878)<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/albany-pictures\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3698\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-pictures-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-pictures-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-pictures-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-pictures.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/albany-pictures\/\"><strong>Albany Pictures<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/contributions-to-em\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3701\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/ContributionsToEandM-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/ContributionsToEandM-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/ContributionsToEandM-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/ContributionsToEandM.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/contributions-to-em\/\"><strong>Contribution to E&amp;M<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/henry-bell\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3705\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/bell-henry-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/bell-henry-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/bell-henry-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/bell-henry.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/henry-bell\/\"><strong>Bell &amp; Henry<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/permanent-magnet\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3708\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/permanentmagnet-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/permanentmagnet-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/permanentmagnet-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/permanentmagnet.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/permanent-magnet\/\"><strong>Permanent Magnet<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/telegraph\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3712\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telegraph-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telegraph-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telegraph-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telegraph.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/telegraph\/\"><strong>Telegraph<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/euler-buckling\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3715\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/butler-bilding-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/butler-bilding-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/butler-bilding-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/butler-bilding.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/euler-buckling\/\"><strong>Euler Buckling<\/strong><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/big-ben\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3696\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/big-ben-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/big-ben-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/big-ben-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/big-ben.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/big-ben\/\"><strong>&#8220;Big Ben&#8221;<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/aragos-disc\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3699\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/aragosdisc-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/aragosdisc-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/aragosdisc-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/aragosdisc.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/aragos-disc\/\"><strong>Aragos Disc<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/galvanic-battery\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3703\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanicbattery-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanicbattery-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanicbattery-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanicbattery.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/galvanic-battery\/\"><strong>Galvanic Battery<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/henry-radio\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3706\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/henryandradio-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/henryandradio-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/henryandradio-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/henryandradio.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/henry-radio\/\"><strong>Henry &amp; Radio<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/photophone\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3709\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/photophone-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/photophone-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/photophone-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/photophone.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/photophone\/\"><strong>Photophone<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/telephone\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3713\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telephone-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telephone-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telephone-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/telephone.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/telephone\/\"><strong>Telephone<\/strong><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/albany-electromagnet\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3697\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-electromagnet-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-electromagnet-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-electromagnet-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/albany-electromagnet.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/albany-electromagnet\/\"><strong>Albany Electromagnet<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/campus-plan\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3700\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/campus-plan-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/campus-plan-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/campus-plan-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/campus-plan.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/campus-plan\/\"><strong>Campus Plan<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/galvanometer\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3704\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanometer-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanometer-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanometer-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/galvanometer.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/galvanometer\/\"><strong>Galvanometer<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/joseph-henry-house\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3707\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenryhouse-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenryhouse-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenryhouse-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/josephhenryhouse.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/joseph-henry\/joseph-henry-house\/\"><strong>Joseph Henry House<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/silliman-henry-correspondence\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3711\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/silliman-henry-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/silliman-henry-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/silliman-henry-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/silliman-henry.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/silliman-henry-correspondence\/\"><strong>Silliman &amp; Henry<\/strong><\/a><\/p>\n<p>[\/vc_column_text][vc_separator][vc_column_text]<\/p>\n<p style=\"text-align: center\"><a href=\"http:\/\/commons.princeton.edu\/josephhenry\/thermo-electric\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-3714\" src=\"http:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/thermal-electric-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/thermal-electric-300x300.jpg 300w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/thermal-electric-150x150.jpg 150w, https:\/\/commons.princeton.edu\/josephhenry\/wp-content\/uploads\/sites\/71\/2018\/10\/thermal-electric.jpg 350w\" sizes=\"auto, (max-width: 300px) 85vw, 300px\" \/><\/a><br \/>\n<a href=\"http:\/\/commons.princeton.edu\/josephhenry\/thermo-electric\/\"><strong>Thermal-Electric<\/strong><\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text] Michael Littman Donald P Wilson &#8217;33 and Edna M. Wilson Freshman Seminar.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_column_text] Joseph Henry (1799-1878) [\/vc_column_text][vc_separator][vc_column_text] Albany Pictures [\/vc_column_text][vc_separator][vc_column_text] Contribution to E&amp;M [\/vc_column_text][vc_separator][vc_column_text] Bell &amp; Henry [\/vc_column_text][vc_separator][vc_column_text] Permanent Magnet [\/vc_column_text][vc_separator][vc_column_text] Telegraph [\/vc_column_text][vc_separator][vc_column_text] Euler Buckling [\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/3&#8243;][vc_column_text] &#8220;Big Ben&#8221; [\/vc_column_text][vc_separator][vc_column_text] Aragos Disc [\/vc_column_text][vc_separator][vc_column_text] Galvanic Battery [\/vc_column_text][vc_separator][vc_column_text] Henry &amp; Radio [\/vc_column_text][vc_separator][vc_column_text] Photophone [\/vc_column_text][vc_separator][vc_column_text] Telephone [\/vc_column_text][\/vc_column][vc_column &hellip; <a href=\"https:\/\/commons.princeton.edu\/josephhenry\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Joseph Henry Apparatus Project&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-3693","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/pages\/3693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/comments?post=3693"}],"version-history":[{"count":12,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/pages\/3693\/revisions"}],"predecessor-version":[{"id":4527,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/pages\/3693\/revisions\/4527"}],"wp:attachment":[{"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/media?parent=3693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/categories?post=3693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commons.princeton.edu\/josephhenry\/wp-json\/wp\/v2\/tags?post=3693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}