Project Gutenberg 2020-11-12 Public domain in the USA. 56 Hardwich, T. Frederick 1829 1890 Hardwich, Frederick Hardwich, T. F. Hardwich, Thomas Frederick 09006811 A Manual of Photographic Chemistry, Including the Practice of the Collodion Process Produced by Tom Cosmas produced from files generously provided on The Internet Archive. All resultant materials are placed in the Public Domain. en Photography Photographic chemistry TR Text Browsing: Art & Photography Browsing: Computers & Technology Browsing: Science - Chemistry/Biochemistry/Physics 924663 924672 2024-08-26T08:50:46.480279 2023-09-27T08:33:02.266496 text/html text/html 920216 2020-11-11T19:16:28 text/html; charset=iso-8859-1 1323912 2020-11-11T19:16:30 text/html; charset=iso-8859-1 application/zip 1080270 2024-08-26T08:51:04.241649 application/epub+zip 1099025 2024-08-26T08:50:50.137760 application/epub+zip 370598 2024-08-26T08:50:48.117752 application/epub+zip 1079685 2024-08-26T08:51:13.140619 application/x-mobipocket-ebook 977096 2024-08-26T08:51:01.570677 application/x-mobipocket-ebook 538315 2022-09-28T18:08:12.815031 application/x-mobipocket-ebook 756570 756568 2024-08-26T08:50:43.450263 2023-09-27T08:32:59.394442 text/plain; charset=us-ascii text/plain 756786 2020-11-11T19:16:26 text/plain; charset=utf-8 246580 2020-11-11T19:16:30 text/plain; charset=utf-8 application/zip 18880 2024-08-26T08:51:13.310610 application/rdf+xml 18097 2024-08-26T08:50:48.303738 image/jpeg 2522 2024-08-26T08:50:48.211734 image/jpeg 1323499 2024-08-26T08:50:46.648751 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