http://book.klll.cc/ebooks/author/39992.opds?sort_order=release_date2025-11-17T10:33:26ZBooks by Gray, AndrewFree eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-11-17T10:33:26Zhttps://en.wikipedia.org/wiki/Andrew_Gray_(physicist)See also: en.wikipedia2025-11-17T10:33:26Zhttps://book.klll.cc/ebooks/39373.opdsLord Kelvin: An account of his scientific life and workAndrew Gray