Project Gutenberg 2009-08-19 Public domain in the USA. 94 Priestley, Joseph 1733 1804 Experiments and Observations on Different Kinds of Air Produced by Mark C. Orton, Steven Gibbs, Josephine Paolucci and the Online Distributed Proofreading Team at https://www.pgdp.net. en Chemistry -- Early works to 1800 Air -- Early works to 1800 QD Text Browsing: Science - Chemistry/Biochemistry/Physics Browsing: Science - General 510883 510891 2024-08-12T15:49:00.871377 2023-09-13T07:41:42.215218 text/html text/html 513996 2021-01-05T11:42:22 text/html; charset=iso-8859-1 521041 2021-01-05T11:42:22 text/html; charset=iso-8859-1 application/zip 604995 2024-08-12T15:49:09.867303 application/epub+zip 608754 2024-08-12T15:49:03.157368 application/epub+zip 247986 2024-08-12T15:49:01.851354 application/epub+zip 893942 2024-08-12T15:49:14.710320 application/x-mobipocket-ebook 841189 2024-08-12T15:49:08.662327 application/x-mobipocket-ebook 480633 2022-09-13T16:56:39.429653 application/x-mobipocket-ebook 455777 455647 2024-08-12T15:48:59.474408 2023-09-13T07:41:41.246176 text/plain; charset=us-ascii text/plain 455620 2021-01-05T11:42:22 text/plain; charset=iso-8859-1 150472 2021-01-05T11:42:22 text/plain; charset=iso-8859-1 application/zip 455642 2021-01-05T11:42:22 text/plain; charset=us-ascii 150430 2021-01-05T11:42:22 text/plain; charset=us-ascii application/zip 19397 2024-08-12T15:49:14.850438 application/rdf+xml 21771 2024-08-12T15:49:02.231385 image/jpeg 4547 2024-08-12T15:49:02.041351 image/jpeg 586907 2024-08-12T15:49:00.918356 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