Project Gutenberg 2020-04-19 Public domain in the USA. 55 Ule, Otto 1820 1876 Ule, Otto Eduard Vincenz Langhoff, F. Warum und Weil. Physikalischer Teil. Fragen und Antworten aus den wichtigsten Gebieten der gesammten Naturlehre. Produced by The Online Distributed Proofreading Team at https://www.pgdp.net de Physics QC Text Browsing: Science - Physics Browsing: Science - General 546799 546802 2024-08-25T12:02:37.670544 2023-09-26T11:06:06.591625 text/html text/html 534095 2020-04-19T10:22:00 text/html; charset=utf-8 1190074 2020-04-19T10:22:06 text/html; charset=utf-8 application/zip 1265360 2024-08-25T12:02:56.779452 application/epub+zip 1267429 2024-08-25T12:02:44.206511 application/epub+zip 277875 2024-08-25T12:02:38.623594 application/epub+zip 2727874 2024-08-25T12:03:02.550466 application/x-mobipocket-ebook 2657171 2024-08-25T12:02:51.230498 application/x-mobipocket-ebook 349003 2022-09-27T23:08:59.383765 application/x-mobipocket-ebook 468618 468621 2024-08-25T12:02:36.211603 2023-09-26T11:06:05.171720 text/plain; charset=us-ascii text/plain 468842 2020-04-19T10:21:58 text/plain; charset=utf-8 154388 2020-04-19T10:22:06 text/plain; charset=utf-8 application/zip 18462 2024-08-25T12:03:02.703412 application/rdf+xml 13681 2024-08-25T12:02:38.761535 image/jpeg 2672 2024-08-25T12:02:38.692546 image/jpeg 1199260 2024-08-25T12:02:37.942552 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 de.wikipedia en.wikipedia