{"id":16074,"date":"2026-06-14T00:48:00","date_gmt":"2026-06-14T04:48:00","guid":{"rendered":"http:\/\/www.celebrateandlearn.com\/?p=16074"},"modified":"2025-12-13T18:06:28","modified_gmt":"2025-12-13T23:06:28","slug":"sandpaper-was-patented-by-isaac-fischer-in-1934","status":"publish","type":"post","link":"https:\/\/www.celebrateandlearn.com\/?p=16074","title":{"rendered":"Sandpaper Was Patented by Isaac Fischer in 1834"},"content":{"rendered":"<p><strong>Sandpaper was patented by Isaac Fischer of Springfield, Vermont, in 1834.<\/strong> Today sandpaper is not made of either sand or paper. Sandpaper is graded by grit size. Course sandpaper has a low number. For example, extra course sandpaper has a number of P12. Ultrafine sandpaper has a number of P6000.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sandpaper was patented by Isaac Fischer of Springfield, Vermont, in 1834. Today sandpaper is not made of either sand or paper. Sandpaper is graded by grit size. Course sandpaper has a low number. For example, extra course sandpaper has a number of P12. Ultrafine sandpaper has a number of P6000.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[5426,653,5631,652],"class_list":["post-16074","post","type-post","status-publish","format-standard","hentry","category-events","tag-5426","tag-isaac-fischer","tag-june-14","tag-sandpaper-patent","category-5-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/16074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16074"}],"version-history":[{"count":2,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/16074\/revisions"}],"predecessor-version":[{"id":27651,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=\/wp\/v2\/posts\/16074\/revisions\/27651"}],"wp:attachment":[{"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.celebrateandlearn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}