{"id":324,"date":"2025-06-04T21:59:07","date_gmt":"2025-06-04T21:59:07","guid":{"rendered":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/2025\/06\/04\/curta-type-i-mechanical-calculator\/"},"modified":"2025-06-04T21:59:07","modified_gmt":"2025-06-04T21:59:07","slug":"curta-type-i-mechanical-calculator","status":"publish","type":"post","link":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/2025\/06\/04\/curta-type-i-mechanical-calculator\/","title":{"rendered":"Curta Type I Mechanical Calculator"},"content":{"rendered":"\n<p>A Type I Curta handheld mechanical calculator, the smallest mechanical calculator ever made &#8211; designed by Kurt Herzstark in the Buchenwald concentration camp, he survived because the Nazis wanted to present his invention to Hitler after the war.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"323\" src=\"https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-2-1-768x1024.jpg\" alt=\"\" class=\"wp-image-323\" srcset=\"https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-2-1-768x1024.jpg 768w, https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-2-1-225x300.jpg 225w, https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-2-1-1152x1536.jpg 1152w, https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-2-1.jpg 1500w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"322\" src=\"https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2212-1.jpg\" alt=\"\" class=\"wp-image-322\" srcset=\"https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2212-1.jpg 1024w, https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2212-1-300x225.jpg 300w, https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2212-1-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A Type I Curta handheld mechanical calculator, the smallest mechanical calculator ever made &#8211; designed by Kurt Herzstark in the Buchenwald concentration camp, he survived because the Nazis wanted to present his invention to Hitler after the war.<\/p>\n","protected":false},"author":1,"featured_media":321,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1],"tags":[58,149],"class_list":["post-324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-calculator","tag-mechanical","with-image","with-title"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/kinetics-online.co.uk\/museum\/wp-content\/uploads\/2025\/06\/img_2211-1.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/posts\/324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/comments?post=324"}],"version-history":[{"count":0,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/posts\/324\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/media\/321"}],"wp:attachment":[{"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/media?parent=324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/categories?post=324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kinetics-online.co.uk\/museum\/index.php\/wp-json\/wp\/v2\/tags?post=324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}