Project Gutenberg 2014-11-26 Public domain in the USA. 493 Bohr, Niels 1885 1962 Bohr, N. (Niels) Bohr, Niels Henrik David 23007785 The Theory of Spectra and Atomic Constitution: Three Essays On the spectrum of hydrogen -- On the series spectra of the elements -- The structure of the atom and the physical and chemical properties of the elements. Andrew D. Hwang. HTML version by Laura Natal. (This ebook was produced using scanned images and OCR text generously provided by the Brandeis University Library through the Internet Archive.) en Quantum theory Spectrum analysis Hydrogen Atomic theory QC Text Physics 478733 2025-09-19T06:49:23.540096 text/html 454797 2023-09-26T13:14:05 text/html 1424967 2025-09-19T06:49:32.640032 application/epub+zip 1423521 2025-09-19T06:49:25.576050 application/epub+zip 1116135 2014-11-26T10:10:43 application/pdf 230216 2025-09-19T06:49:24.783099 application/epub+zip 1162702 2025-09-19T06:49:41.008013 application/x-mobipocket-ebook 939868 2025-09-19T06:49:31.953046 application/x-mobipocket-ebook 17961 2025-09-19T06:49:41.166974 application/rdf+xml 379686 2021-06-11T17:21:38 application/prs.tex 10087 2025-09-19T06:49:25.005105 image/jpeg 2019 2025-09-19T06:49:24.893063 image/jpeg 857965 2023-09-26T13:14:05 application/octet-stream application/zip 1095918 2014-11-26T10:10:43 application/octet-stream application/zip 633714 2021-06-11T17:21:38 application/octet-stream application/zip 902905 2025-09-19T06:49:24.116117 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia