Project Gutenberg 2016-12-20 Public domain in the USA. 65 Martindale, Joseph C. (Joseph Comly) 1833 1872 Martindale, Joseph Comly First Lessons in Natural Philosophy for Beginners Produced by Stephen Hutcheson, Kate Rooney & Ian Smith, MFR and the Online Distributed Proofreading Team at http://www.pgdp.net en Physics QC Text Browsing: Science - Physics Browsing: Science - General 333561 333568 2024-07-22T09:59:19.931730 2023-09-23T08:32:42.560379 text/html text/html 323152 2016-12-20T15:29:04 text/html 2670875 2024-07-22T09:59:30.655656 application/epub+zip 2680729 2024-07-22T09:59:23.346694 application/epub+zip 151754 2024-07-22T09:59:21.537684 application/epub+zip 2767598 2024-07-22T09:59:34.921638 application/x-mobipocket-ebook 2754489 2024-07-22T09:59:29.214660 application/x-mobipocket-ebook 240144 2022-09-24T13:06:01.335188 application/x-mobipocket-ebook 244724 244596 2024-07-22T09:59:17.004718 2023-09-23T08:32:39.797334 text/plain; charset=us-ascii text/plain 244950 2016-12-20T15:29:02 text/plain; charset=utf-8 69046 2016-12-20T15:29:08 text/plain; charset=utf-8 application/zip 17241 2024-07-22T09:59:35.092599 application/rdf+xml 21868 2024-07-22T09:59:21.681695 image/jpeg 3039 2024-07-22T09:59:21.609690 image/jpeg 2329465 2016-12-20T15:29:08 application/octet-stream application/zip 2375186 2024-07-22T09:59:20.163714 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog