Project Gutenberg 2020-04-19 Public domain in the USA. 77 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 546802 2024-07-25T12:05:01.560305 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 1265354 2024-07-25T12:05:20.976151 application/epub+zip 1267437 2024-07-25T12:05:08.088264 application/epub+zip 277906 2024-07-25T12:05:02.507363 application/epub+zip 2727896 2024-07-25T12:05:26.677116 application/x-mobipocket-ebook 2657185 2024-07-25T12:05:15.276161 application/x-mobipocket-ebook 349003 2022-09-27T23:08:59.383765 application/x-mobipocket-ebook 468618 468621 2024-07-25T12:04:59.919236 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 18032 2024-07-25T12:05:26.833183 application/rdf+xml 13681 2024-07-25T12:05:02.645202 image/jpeg 2672 2024-07-25T12:05:02.575226 image/jpeg 1199252 2024-07-25T12:05:01.955230 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 en.wikipedia de.wikipedia